单词 | gravitational force |
例句 | The gravitational force between the sun and the earth is ascribed to the exchange of gravitons between the particles that make up these two bodies. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z Instead, they attempted to modify the theory by making the gravitational force repulsive at very large distances. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z Using Kepler’s third law, Newton mathematically deduced the nature of the gravitational force.' Cosmos 1980-01-01T00:00:00Z So for a sufficiently large number of matter particles, gravitational forces can dominate over all other forces. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z The gravitational force between two bodies would decrease more rapidly with distance than it does in three dimensions. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z On a smaller scale, the electrical forces that cause the electrons to orbit round the nucleus in an atom would behave in the same way as gravitational forces. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z The star would, however, continue to exert the same gravitational force on the spaceship, which would continue to orbit the black hole. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z In fact, the equivalence between gravitational forces and the forces we would feel in an accelerating spaceship is a major feature of Einstein’s later general theory of relativity. Cosmos 1980-01-01T00:00:00Z Gravity gets weaker the farther you are from the star, so the gravitational force on our intrepid astronaut’s feet would always be greater than the force on his head. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z Most do not contain enough observable mass to support the gravitational forces necessary to hold them together. We Are the Ants 2016-01-19T00:00:00Z The idea was to combine the spin-2 particle called the graviton, which carries the gravitational force, with certain other particles of spin Vi, 1, Vi, and 0. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z A supernova occurs when the gravitational force of a star’s core becomes greater than the star's energy output. We Are the Ants 2016-01-19T00:00:00Z These particles are virtual particles like the particles that carry the gravitational force of the sun: unlike real particles, they cannot be observed directly with a particle detector. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z Stars in the galaxy that come too near this black hole will be torn apart by the difference in the gravitational forces on their near and far sides. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z However, within just a few hours, as the region continued to collapse, the difference in the gravitational forces on his head and his feet would become so strong that again it would tear him apart. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z This means that the very weak gravitational forces between the individual particles in two large bodies, such as the earth and the sun, can all add up to produce a significant force. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z She was overjoyed, and had the doctor not advised her to avoid any activities that required jumping, slip ‘n’ slides or extreme gravitational forces, she probably would have skipped out of the store. How to fold a thong: A straight man working at Victoria’s Secret 2013-05-07T00:00:00Z Photograph: Farrows Creative Like a dead sun, the 70s still exert a huge gravitational force. Made in Heaven; Cruising, Clubbing, Fucking: An Elegy – review 2012-06-30T23:05:46Z These images seem to draw their spectators into the picture plane by an almost gravitational force, pulling them across the proscenium threshold. How a Family Transformed the Look of European Theater 2021-06-11T04:00:00Z It’s peak Bill Murray with a minimalism that exerts a powerful gravitational force and a deadpan that recast Mad Magazine’s what-me-worry grin with the sickness-unto-death laughter of National Lampoon. Our ‘Ghostbusters’ Review: Girls Rule. Women Are Funny. Get Over It. 2016-07-10T04:00:00Z But Cottin, a charismatic performer whose febrile intensity is its own gravitational force, easily keeps you engaged and curious. ‘Stillwater’ Review: Another American Tragedy 2021-07-29T04:00:00Z The art is certainly impressive, a constellation of icons, with Sonnabend’s eye and energy the gravitational force. Art Review: ‘Ileana Sonnabend: Ambassador for the New’ at MoMA 2013-12-19T22:57:15Z Consider, for example, the gravitational forces acting on a neutron star, an ultradense object one step from total collapse into a singularity or black hole. Gravity's Engines: The Other Side of Black Holes - review 2012-12-12T07:00:00Z By even existing, this play is destined to fight against the gravitational force of the memories of young readers. Review: ‘Harry Potter and the Cursed Child’ Casts a Spell Onstage 2016-07-25T04:00:00Z However, "Satisfied" was caught in the gravitational forces of a merger and was never released by the label. Songwriter Ashley Monroe finally has her moment 2013-03-04T17:50:10Z Studying the space rocks allows scientists to determine whether it's a solid chunk of rock, a porous powder puff or, perhaps, a collection of giant boulders held together by gravitational force. 1,300-foot asteroid to pass near Earth 2011-11-08T07:06:00Z She effectively exerts her own gravitational force field, magnetized by strategically deployed invitations, introductions, magazine features and messages of support. Imagining a World After Anna 2018-04-09T04:00:00Z He might be talking about "interrogation techniques" or "gravitational forces". New band of the day ? No 1,074: Alphabet Saints 2011-08-01T15:47:00Z “Embrace the gravitational force of the click hole and your trivia game will never be stronger.” Lessons from two years of bedrest: 'Embrace the gravitational force of the click hole' 2020-04-28T04:00:00Z “We’re the only ones talking about gravitational forces and atmospheric pressure and what that does for the human being.” Go ahead and hate Goop. Gwyneth Paltrow is having the last laugh. 2018-06-12T04:00:00Z Both understand the gravitational force of a designated leader and a shared worldview, as well as the heady conviction of belonging to an elect. The Other Charles Manson Movie Has a Lot to Say 2019-11-19T05:00:00Z Now the only worry is that the sheer gravitational force of Hollywood will drag MacFarlane into a kind of comedy pastiche blandness. Seth MacFarlane could well be the grit that turns the Oscars back to a pearl 2012-10-01T19:08:17Z Michael is the star of this world, but it’s Deloris who exerts the family’s greatest gravitational force. ‘Air’ Review: The Game Changers 2023-04-04T04:00:00Z This light bending occurs in regions of space where there is no observable matter to generate the gravitational force. Our godless brains: Emerging science reveals mind-blowing alternatives to a higher power 2014-04-26T20:00:00Z It’s about the gravitational force of a single establishment. Urban entertainment districts: Blocks where no one has fun 2012-05-19T13:00:00Z Its gravitational forces are omnidirectional; as they shift suddenly across invisible borders, falling down is succeeded by falling left, right, up, and whichever other orientation a place is built for. A Quasi-American “Star Trek Beyond” 2016-07-25T04:00:00Z There he brilliantly explained the differing gravitational forces on different planets while sitting in a centrifuge, and there is nothing like a centrifugal gravitational simulator to wipe the smile off someone's face. Brian Cox: Physics is better than rock'n'roll 2011-03-24T08:01:00Z Ms. Streisand eventually became such a powerful gravitational force that the world curved to her. Review: How Streisand Became a Symbol, by Neal Gabler 2016-04-20T04:00:00Z Even in dying, Wade remains as much a powerful gravitational force as the canned ideal he once embodied. ‘Montana Story’ Review: A Domestic Drama in Big Sky Country 2022-05-12T04:00:00Z He haunted New York’s museums and libraries for inspiration, researching ancient Egypt and scientific subjects like orbital gravitational forces. Josh Ritter Flies Low, But Stays on the Radar 2010-05-05T21:55:00Z I don't know if I would have been able to overcome some of those gravitational forces if I didn't have that. Jim Parsons and Zachary Quinto give voice to the prickly friendship of authors "Truman & Tennessee" 2021-06-19T04:00:00Z Inside the main gallery strong gravitational forces are at work. Art Review: ?The Spirit Level,? Group Show at Gladstone Gallery, Chelsea 2012-04-12T21:12:02Z She doesn't so much work a room as operate a gravitational force field around her. Paulette Randall interview: 'You never know what's round the corner, do you?' 2013-07-09T15:15:02Z The observed gas disk exhibited a gravitational force so substantial that it could not be sustained by the pressure calculated from the gas disk's motion. Mystery resolved: Black hole feeding and feedback at the center of an active galaxy 2023-11-06T05:00:00Z Variations of this law pop up everywhere in physics; for gravity, it would dictate that the gravitational force between two objects is inversely proportional to the square of the distance between them. ‘Modified’ Gravity May Make Planet Nine Disappear 2023-10-25T04:00:00Z With numerical simulations that accurately account for the gravitational forces of all the solar system's planets, Malhotra's group found that some lucky lunar fragments could actually find their way to such orbits. Researchers probe how a piece of the moon became a near-Earth asteroid 2023-10-23T04:00:00Z Stellar speeds offer a way to weigh a galaxy; the gravitational force each particular star feels depends on the galaxy’s total mass. The Milky Way May Be Missing a Trillion Suns’ Worth of Mass 2023-10-11T04:00:00Z That doesn't mean there isn't a difference in the gravitational force on antimatter, he adds. Down goes antimatter! Gravity's effect on matter's elusive twin is revealed 2023-09-27T04:00:00Z The first use of a novel method of analyzing Mars' gravitational force supports the idea that the planet once had an extensive northern ocean. New Mars gravity analysis improves understanding of possible ancient ocean 2023-09-20T04:00:00Z Galaxy clusters, one of the largest structures in the Universe, are the assembly of more than 100 galaxies which are bound together through mutual gravitational force. Tag team of the James Webb Space Telescope and ALMA captures the core of the most distant galaxy protocluster 2023-09-20T04:00:00Z This occurred due to the gravitational forces of an invisible hand: dark matter. This is what the first stars looked like as they were being born 2023-09-14T04:00:00Z In this theory, vibrating strings would create gravitons, tiny particles that act under quantum mechanical laws but carry gravitational force. Will Scientists Ever Find a Theory of Everything? 2023-08-19T04:00:00Z Thus, two opposing forces act on a cat during a fall: the gravitational force Fg and the frictional force FR, which slows it down. Why Do Cats Land on Their Feet? Physics Explains 2023-07-24T04:00:00Z Gravity anomalies are areas of greater or weaker gravitational force exerted by a planetary body's surface features. New Mars gravity analysis improves understanding of possible ancient ocean 2023-09-20T04:00:00Z Yet weight is just the measure of the gravitational force with which Earth attracts masses toward its center. Here’s What Physics Tells Us about Barbie’s World 2023-07-21T04:00:00Z Once it reaches its destination - an area in space known as the second Lagrange point, where the gravitational forces of Earth and the sun are roughly equal - it will run a series of tests. Euclid: Professor’s joy at ‘mind-blowing’ satellite launch 2023-07-02T04:00:00Z The process could be considered analogous to particle pairs experiencing strong gravitational forces at a black hole’s event horizon. This Is The Way The Universe Ends: By Evaporating 2023-06-22T04:00:00Z For many who served at Fort Bragg, set to be renamed “Fort Liberty” on Friday, the legendary Army installation is the central gravitational force around which their military careers and even their families have revolved. ‘To me, it’s still going to be Fort Bragg’: Name change for iconic Army base touches a nerve 2023-06-01T04:00:00Z A mountain would exert a greater gravitational force because it has a higher concentration of mass than would be expected on a planet without surface features. New Mars gravity analysis improves understanding of possible ancient ocean 2023-09-20T04:00:00Z “Xi seems to think he can both assert themselves and attract other countries, relying on the gravitational force of their economy and global frustration with U.S. power. These are big gambles.” In Xi’s China, Economic Needs May Take a Back Seat to Security 2023-05-12T04:00:00Z You could accomplish something similar by moving one end of the wormhole near a big gravitational field—such as a black hole—while keeping the other end near a smaller gravitational force. Is Time Travel Possible? 2023-04-26T04:00:00Z “This shows that there is definitively some effect where particles can be ripped apart just solely from gravitational forces in the vacuum,” he adds. This Is The Way The Universe Ends: By Evaporating 2023-06-22T04:00:00Z “If you move into that gravitational force field,” he said, “you face currents that you have no control over.” Review | With Black Power’s rise, a turbulent shift in the civil rights movement 2023-02-16T05:00:00Z Ocean basins and trenches would have less gravitational force. New Mars gravity analysis improves understanding of possible ancient ocean 2023-09-20T04:00:00Z These same electromagnetic and gravitational forces, according to Song, explain why the inner core's rotations may occur in roughly 70-year cycles. Earth's inner core is no longer spinning as fast as the rest of the planet 2023-01-25T05:00:00Z From this, together with data about the gases and crystals emitted during the eruption and tiny inflections in gravitational force, a picture begins to emerge from the chaos. With Mauna Loa’s Eruption, a Rare Glimpse Into the Earth 2022-12-03T05:00:00Z That’s when British physicist Stephen Hawking began thinking about what happened to particles that experienced the unparalleled gravitational forces at the edge of a black hole, a place known as the event horizon. This Is The Way The Universe Ends: By Evaporating 2023-06-22T04:00:00Z "There is no gravitational force in Einstein's theory," Cornish pointed out. How gravitational waves are opening up the hidden parts of the universe to human eyes 2022-11-18T05:00:00Z But in 17 of the simulations, the moon grazed Saturn—where it could have been shredded by gravitational forces, eventually becoming the iconic rings. Lost moon may have spawned Saturn’s rings 2022-09-14T04:00:00Z Rodrigues adds that scientists do not fully understand how to square general relativity with phenomena such as black holes, where gravitational forces are so strong they prevent light from escaping. Strictest test yet of general relativity confirms feathers and bowling balls really do fall at the same rate 2022-09-14T04:00:00Z Inside a star’s tempestuous atmosphere, a planet’s motions can be dominated by gravitational forces, making it sink toward the stellar core, where it will be completely shredded. Astronomers Reveal New Details of How Stars Devour Planets 2022-08-23T04:00:00Z Action at a distance, such as the gravitational force of Earth on the Moon, is explained by the existence of a force field rather than by “physical contact.” College Physics for AP Courses 2015-08-12T00:00:00Z The lung is particularly susceptible to changes in the magnitude and direction of gravitational forces. Biology for AP Courses 2022-06-09T00:00:00Z This is a runaway process: as the cloud collapses, the gravitational force gets stronger, concentrating material into a protostar. Astronomy 2016-10-13T00:00:00Z All of the protesters had something to say, but Stewart was like the sun — his fame an irresistible gravitational force, his vulgarity in the name of veterans steeped in righteousness. Perspective | They stood on the grass, pleading. They found victory. But respect? 2022-08-02T04:00:00Z Examples include gravitational force and spring motion activated by weight. Precalculus 2021-12-01T00:00:00Z What do your answers imply about the influence of the gravitational force on atomic nuclei? College Physics for AP Courses 2015-08-12T00:00:00Z However, they are concerned about how the different gravitational forces will affect the suspension system that cushions the craft when it touches down. Calculus, Volume 3 2016-03-30T00:00:00Z The gravitational forces must therefore be counterbalanced by some other force. Astronomy 2016-10-13T00:00:00Z Therefore the sum of the forces acting on the object is equal to the sum of the gravitational force and the force due to air resistance. Calculus, Vol 2 2016-03-30T00:00:00Z Examples of harmonic motion include springs, gravitational force, and magnetic force. Precalculus 2021-12-01T00:00:00Z The gravitational force is the weakest of the four basic forces. College Physics for AP Courses 2015-08-12T00:00:00Z Figure 3.19 The gravitational force between Earth and the Sun is equal to the mass of the earth times its acceleration. Calculus, Volume 3 2016-03-30T00:00:00Z However, as the universe continued to expand, the regions of higher density acquired still more mass because they exerted a slightly larger than average gravitational force on surrounding material. Astronomy 2016-10-13T00:00:00Z These three sources – sunlight, the heat trapped in earth’s core and continuously generated in its crust, and gravitational force of the moon and sun on the oceans – account for all renewable energy. Environmental Biology 2018-09-06T00:00:00Z One of those reasons is that gravitational force pulls gas molecules and dust particles together. Physical Geology 2015-01-01T00:00:00Z Sir Isaac Newton was the first scientist to precisely define the gravitational force, and to show that it could explain both falling bodies and astronomical motions. College Physics for AP Courses 2015-08-12T00:00:00Z The minus sign shows that the gravitational force attracts toward the origin; that is, the force of object 1 is attractive. Calculus, Volume 3 2016-03-30T00:00:00Z Eventually, the gravitational force of the infalling gas becomes strong enough to overwhelm the pressure exerted by the cold material that forms the dense cores. Astronomy 2016-10-13T00:00:00Z The spinning whirlpool concentrates material in the center, and the increasing gravitational forces collect even more mass. An Introduction to Geology 2017-01-01T00:00:00Z But early in the process, those particles are very small, so the gravitational force between them isn’t strong. Physical Geology 2015-01-01T00:00:00Z The small magnitude of the gravitational force is consistent with everyday experience. College Physics for AP Courses 2015-08-12T00:00:00Z Given that the universal gravitational constant is G = 6.67384 × 10−11 m3 kg−1 s−2, find the gravitational force vector that asteroid 1 exerts on asteroid 2. Calculus, Volume 3 2016-03-30T00:00:00Z The concentration of matter in the arms exerts sufficient gravitational force to keep the arms together over long periods of time. Astronomy 2016-10-13T00:00:00Z The earliest Earth was chiefly molten material and would have been rounded by gravitational forces so it resembled a ball of lava floating in space. An Introduction to Geology 2017-01-01T00:00:00Z Figure 15.2 Differences in the shear and normal components of the gravitational force on slopes with differing steepness. Physical Geology 2015-01-01T00:00:00Z We are unaware that even large objects like mountains exert gravitational forces on us. College Physics for AP Courses 2015-08-12T00:00:00Z If we think of the line integral as computing work, then this makes sense: if you hike up a mountain, then the gravitational force of Earth does negative work on you. Calculus, Volume 3 2016-03-30T00:00:00Z Assume that the only force acting on the dust particle is the gravitational force exerted by the black hole. Astronomy 2016-10-13T00:00:00Z The gravitational force doesn’t change, but the shear force increases while the normal force decreases. An Introduction to Geology 2017-01-01T00:00:00Z The gravitational force is the same in all three cases. Physical Geology 2015-01-01T00:00:00Z Weightlessness doesn't mean that an astronaut is not being acted upon by the gravitational force. College Physics for AP Courses 2015-08-12T00:00:00Z If you walk down the mountain by the exact same path, then Earth’s gravitational force does positive work on you. Calculus, Volume 3 2016-03-30T00:00:00Z The gravitational force of the cluster will tug on that neighboring galaxy and slow down the rate at which it moves away from the cluster due to the expansion of the universe. Astronomy 2016-10-13T00:00:00Z The photograph below shows Stephan’s Quintet, five galaxies, four of which interact and stretch each other with their gravitational forces. Images From the James Webb Space Telescope 2022-07-12T04:00:00Z And finally, water can significantly increase the mass of the material on a slope, which increases the gravitational force pushing it down. Physical Geology 2015-01-01T00:00:00Z The work done against the gravitational force goes into an important form of stored energy that we will explore in this section. College Physics for AP Courses 2015-08-12T00:00:00Z We can apply the process of finding a potential function to a gravitational force. Calculus, Volume 3 2016-03-30T00:00:00Z The mass concentrated at the center of the Virgo Cluster exerts a gravitational force on the Local Group. Astronomy 2016-10-13T00:00:00Z This loss of bone mass is thought to be caused by the lack of mechanical stress on astronauts’ bones due to the low gravitational forces in space. Anatomy and Physiology 2013-06-19T00:00:00Z As Earth became larger, its gravitational force became stronger. Physical Geology 2015-01-01T00:00:00Z This energy is associated with the state of separation between two objects that attract each other by the gravitational force. College Physics for AP Courses 2015-08-12T00:00:00Z At any point in the figure, the vector associated with a point gives the net gravitational force exerted by the two objects on an object of unit mass. Calculus, Volume 3 2016-03-30T00:00:00Z The more mass an object has, the stronger the pull of its gravitational force. Astronomy 2016-10-13T00:00:00Z It’s one of five places where the gravitational forces of the sun and the Earth are in balance, allowing Webb to remain a fixed distance from our planet. First image from NASA's James Webb Space Telescope reveals thousands of galaxies in stunning detail 2022-07-11T04:00:00Z Comets may also come from the Oort cloud where gravitational forces from outside of the solar system can hurl objects from the Oort cloud toward the Sun. Physical Geology 2015-01-01T00:00:00Z The gravitational force, another fundamental force, is actually sensed through the electromagnetic interaction of molecules, such as between those in our feet and those on the top of a bathroom scale. College Physics for AP Courses 2015-08-12T00:00:00Z The larger object has greater mass, so it exerts a gravitational force of greater magnitude than the smaller object. Calculus, Volume 3 2016-03-30T00:00:00Z Then the only force that acts on the bullet after it leaves the muzzle is the gravitational force between the bullet and Earth. Astronomy 2016-10-13T00:00:00Z Nuclear fusion, on the other hand, replicates the process that takes place inside the sun, where gravitational forces fuse hydrogen atoms into helium. A Big Step Toward Fusion Energy Is Hailed by a Seattle Start-Up 2022-06-22T04:00:00Z Caplan is a walking museum, and I don’t call him that just because his midsection is large enough to have its own gravitational force. Hernández: Boxing publicist recounts escape from Venezuela with George Foreman 2022-06-10T04:00:00Z The electrostatic force has a horizontal component that results in the leaves moving apart as well as a vertical component that is balanced by the gravitational force. College Physics for AP Courses 2015-08-12T00:00:00Z The gravitational force is so strong that everything which falls in stays within the black hole forever. Here's why it's so hard to see the supermassive black hole at the center of the Milky Way 2022-05-13T04:00:00Z If the bullet is fired with a velocity we can call va, the gravitational force acting upon it pulls it downward toward Earth, where it strikes the ground at point a. Astronomy 2016-10-13T00:00:00Z Netflix and other streamers have come to be seen less as tech companies and more as media companies, subject to the usual gravitational forces of the quality and cost of their filmed entertainment. Opinion | A Scrappier Model for Netflix Might Be More Sustainable 2022-04-27T04:00:00Z His 176-pound body was no match for the gravitational forces, which sent him careening along the ice-covered walls of the track. For Nodar: Georgian luge family makes a return to Olympics 2022-01-25T05:00:00Z The large final speed confirms that the gravitational force is indeed negligible here. College Physics for AP Courses 2015-08-12T00:00:00Z Monday’s thruster firing put the telescope in orbit around the sun at the so-called second Lagrange point, where the gravitational forces of the sun and Earth balance each other. New space telescope reaches final stop million miles out 2022-01-24T05:00:00Z As it comes close to its target, a spacecraft is deflected by the planet’s gravitational force into a modified orbit, either gaining or losing energy in the process. Astronomy 2016-10-13T00:00:00Z These underwater sound waves have such low frequencies that gravitational forces can alter their wavelength and speed under a sudden change in pressure. Telltale Tsunami Sounds Could Buy More Warning Time 2022-01-18T05:00:00Z They are even responsible for gravity—a hypothetical particle that carries the gravitational force, a “graviton,” is an inevitable consequence of the theory. What Is Spacetime Really Made Of? 2022-01-18T05:00:00Z The Coulomb force is extraordinarily strong compared with the gravitational force, another basic force—but unlike gravitational force it can cancel, since it can be either attractive or repulsive. College Physics for AP Courses 2015-08-12T00:00:00Z L2 is one of five points between the sun and Earth where the interplay of the gravitational forces of the two bodies keeps an object in a stable position with respect to the two bodies. James Webb Space Telescope Completes Crucial Sunshield Deployment 2022-01-05T05:00:00Z In fact, all the planets exert gravitational forces upon one another as well. Astronomy 2016-10-13T00:00:00Z This is where the gravitational forces of the Earth and sun balance, requiring minimal fuel for a spacecraft to stay put. EXPLAINER: Veteran Hubble vs. new Webb space telescope 2021-12-23T05:00:00Z Yeah, in fact, one of the ways you might see the impact of a universe adjacent to ours is that it might have a gravitational force that deflects the light traveling in our universe. We asked a physicist whether The Witcher’s multiverse could really exist 2021-12-17T05:00:00Z The electrostatic force between two subatomic particles is far greater than the gravitational force between the same two particles. College Physics for AP Courses 2015-08-12T00:00:00Z Gas and dust swirling around an active, accreting black hole shine brightly with x-rays as they are ferociously heated by gravitational forces close to the event horizon. NASA telescope to study how extreme cosmic objects sculpt x-ray light 2021-12-02T05:00:00Z These interplanetary attractions cause slight variations from the orbits than would be expected if the gravitational forces between planets were neglected. Astronomy 2016-10-13T00:00:00Z Trapped in place by the gravitational forces of Jupiter and the sun, the Trojans are believed to be the cosmic leftovers from when the outer planets were forming. Lucy in the sky: Spacecraft will visit record 8 asteroids 2021-10-14T04:00:00Z Dark matter, believed to make up the majority of all matter in the universe, is responsible for the majority of the gravitational forces in the universe and therefore plays an important role in its expansion. This Supernova Will Make a Ghostly Reappearance in 2037 2021-09-15T04:00:00Z Which of the following is true about the gravitational force between the particles? College Physics for AP Courses 2015-08-12T00:00:00Z This could be random, but the pattern observed to these objects' orbits makes it more likely to be the result of the gravitational force of an elusive, massive object — hence, Planet Nine. Astronomers think they know where to find Planet Nine 2021-09-09T04:00:00Z If we know the exact position of each star at any given instant, we can calculate the combined gravitational force of the entire group on any one member of the cluster. Astronomy 2016-10-13T00:00:00Z Meanwhile, in Hollywood, Patrick is charged with looking after Cassidy, a former child star who exerts a gravitational force on the book. Review: The most sinister power in this riotously fun dystopian novel? Still Hollywood 2021-08-02T04:00:00Z Instead, they land a player who is a gravitational force, who is at his best when he’s the center of his team’s universe. Commentary: Russell Westbrook makes the Lakers' roster more interesting, weirder; is it better? 2021-07-29T04:00:00Z Find the ratio of the electrostatic force to the gravitational force between two electrons. College Physics for AP Courses 2015-08-12T00:00:00Z “We tried not to give something more spice than it deserved, but you were aware of, say, what went viral. Resisting that gravitational force is really hard.” The 7 guests that explain why 'The Daily Show' became a place to make news 2021-07-22T04:00:00Z Rings are composed of vast numbers of individual particles orbiting so close to a planet that its gravitational forces could have broken larger pieces apart or kept small pieces from gathering together. Astronomy 2016-10-13T00:00:00Z The collisions were detected by measuring waves caused by the sudden changes in gravitational forces that occur when two massive celestial bodies collide. Rare black hole and neutron star collisions sighted twice in 10 days 2021-06-29T04:00:00Z "For the gravitational force or electric force, when you double the distance between two particles you reduce the force by a factor of four," Tanedo said. Dark matter's weirdness could be explained by a new, as-yet-unseen fundamental force 2021-06-04T04:00:00Z On the very large scale, as in astronomical systems, the gravitational force is the dominant force determining the motions of moons, planets, stars, and galaxies. College Physics for AP Courses 2015-08-12T00:00:00Z I would think that if space is filled with evanescent virtual particles, they would collectively exert a huge gravitational force that would counteract expansion. Readers Respond to the February 2021 Issue 2021-05-30T04:00:00Z Every few hundred million years or so, the cluster may have a close encounter with a giant molecular cloud, and the gravitational force exerted by the cloud may tear the cluster apart. Astronomy 2016-10-13T00:00:00Z Drivers often must withstand gravitational forces harsher than those sometimes felt by astronauts being rocketed into space. At the Indianapolis 500, Scott Dixon Has the Pole Position. And More. 2021-05-29T04:00:00Z As Hawking writes: "Stars in the galaxy that come too near this black hole will be torn apart by the differences in the gravitational forces on their near and far sides." Formation of a black hole: On the spectacular implosion of the Republican Party 2021-05-22T04:00:00Z The gravitational force also affects the nature of space and time. College Physics for AP Courses 2015-08-12T00:00:00Z The central challenge facing Aspelmeyer’s team was to design a detector exquisitely sensitive to this gravitational force yet totally insensitive to much larger background forces pushing and pulling on the test mass from all sides. Physicists Measure the Gravitational Force between the Smallest Masses Yet 2021-03-10T05:00:00Z Matter lying outside the planet’s orbit, in contrast, is prevented from moving into the hole by the gravitational forces exerted by the planet. Astronomy 2016-10-13T00:00:00Z The faster the stars were moving, the greater the gravitational force, and hence more mass, must be present to hold them in the cluster. Hunting for a Giant Black Hole, Astronomers Found a Nest of Darkness 2021-02-26T05:00:00Z If the gravitational force weakens at such close quarters, as some ideas suggest—or if extra, minute dimensions of space are discernible there—the Eöt-Wash team will find them. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z If they did not cancel, electromagnetic forces would completely overwhelm the gravitational force. College Physics for AP Courses 2015-08-12T00:00:00Z To measure the gravitational force of the source mass, the researchers did not simply place it near the test mass. Physicists Measure the Gravitational Force between the Smallest Masses Yet 2021-03-10T05:00:00Z No one inside the box is aware of any gravitational force. Astronomy 2016-10-13T00:00:00Z High-velocity stars are believed to be the result of a combination of extreme gravitational forces, like supermassive black holes. Astronomers discover a peculiar batch of stars moving fast enough to leave the galaxy 2021-01-05T05:00:00Z Donald Trump's failed coup attempt is like a black hole in space, exerting its gravitational force to pull the country into darkness. Yes, Trump will leave office — but his seditious secession movement isn't going away 2020-12-15T05:00:00Z Further progress in unifying all forces is proving difficult—especially the inclusion of the gravitational force, which has the special characteristics of affecting the space and time in which the other forces exist. College Physics for AP Courses 2015-08-12T00:00:00Z Orbital calculations suggest that it got a bit too close to Jupiter’s massive gravitational force in 2017. A ‘Front-Row Seat’ to the Birth of a Comet 2020-12-03T05:00:00Z While in free fall, the astronauts live in a strange world where there seems to be no gravitational force. Astronomy 2016-10-13T00:00:00Z “We are in the grip of the gravitational forces of democracy, which are pulling us toward the results,” the Late Show host said of election eve, for which he endeavored to stay calm. Stephen Colbert on election eve: 'Hope-dreading while laugh-screaming at our doom-scrolling' 2020-11-03T05:00:00Z As the Universe balloons, eventually, gravitational forces won’t be able to keep galactic clusters together. Crunch, rip, freeze or decay — how will the Universe end? 2020-08-09T04:00:00Z Projectile motion is a special case of two-dimensional kinematics in which the object is projected into the air, while being subject to the gravitational force, and lands a distance away. College Physics for AP Courses 2015-08-12T00:00:00Z Current theories suggest that the gravitational force would overcome the nuclear force if the neutron star were much larger than two solar masses - and cause it to collapse into a black hole. 'Black neutron star' discovery baffles astronomers 2020-06-23T04:00:00Z But since all fall together—shuttle, astronauts, wrench, and pencil—inside the ISS all gravitational forces appear to be absent. Astronomy 2016-10-13T00:00:00Z So there’s a gravitational force or increasing return dynamic once it starts. Slack CEO Stewart Butterfield on competing with Microsoft, the future of work, and managing all those notifications 2020-05-26T04:00:00Z The wisest among them also found ways to maintain cardiovascular fitness, given the sustained gravitational forces and sweltering heat that await in four hours of white-knuckle racing at Darlington. NASCAR fires up its engines Sunday, hoping to lead sports’ return from quarantine 2020-05-16T04:00:00Z That single equation for the gravitational force describes all situations in which gravity acts. College Physics for AP Courses 2015-08-12T00:00:00Z The moon's gravitational force pulls on the Earth's oceans. 5 interesting facts about the moon 2020-03-16T04:00:00Z At the time of decoupling, photons in a slightly denser portion of space had to expend some of their energy to escape the gravitational force exerted by the surrounding gas. Astronomy 2016-10-13T00:00:00Z Space.com describes Lagrange points as “parking places in space,” locations where the gravitational forces to two large bodies such as the Earth and the Sun equals the centrifugal force “felt by a much smaller third body.” NASA astronaut Fred Gregory recounts historic missions, eyes America’s space future 2020-02-20T05:00:00Z Even from hundreds of miles above the planet, these modules were sensitive to gravitational forces from below. How a new wave of orbiting sentinels is changing climate science 2020-01-06T05:00:00Z The reaction force on the rocket is what overcomes the gravitational force and accelerates it upward. College Physics for AP Courses 2015-08-12T00:00:00Z Still, she added by phone, “Those covers had almost a gravitational force of their own.” Johanna Lindsey, master of historical romance novels, dies at 67 2019-12-23T05:00:00Z If Earth were made of water, it would distort until the Moon’s differential forces over different parts of its surface came into balance with Earth’s own gravitational forces pulling it together. Astronomy 2016-10-13T00:00:00Z Hebe's orbit sits in a location where Jupiter's gravitational forces can stir up material, allowing it to escape from the asteroid belt. US meteorite adds to origins mystery 2019-12-05T05:00:00Z When the leading module approached a part of Earth with more mass — and therefore more of a gravitational force — it was pulled ahead, literally by a fraction of the width of a human hair. How a new wave of orbiting sentinels is changing climate science 2020-01-06T05:00:00Z Taking air resistance and gravitational force into account, the mass mr remaining can only be about m0 / 180 . College Physics for AP Courses 2015-08-12T00:00:00Z In addition, he said: "The gravitational forces are very large so if a body gets too close to a white dwarf, like an asteroid, the gravity is so strong the asteroid would be ripped apart." Distant star's vision of our Sun's future 'death' 2019-12-04T05:00:00Z Each star exerts a gravitational force on the other, with the result that both stars orbit a point between them called the center of mass. Astronomy 2016-10-13T00:00:00Z Some powerful gravitational force was at work here, professor. Judith Kerr was both sweetness and steel – and I'll miss her | Nancy Banks-Smith 2019-05-23T04:00:00Z It swallows up everything too close, too slow or too small to fight its gravitational force. What Is a Black Hole? Here’s Our Guide for Earthlings 2019-04-10T04:00:00Z A gravitational field g at the location of an object with mass m causes a gravitational force of magnitude mg to be exerted on the object in the direction of the field. College Physics for AP Courses 2015-08-12T00:00:00Z But what about on super Earths, where greater gravitational forces would correspondingly increase pressures on rock? "Toffee Planets" Hint at Earth's Cosmic Rarity 2019-04-03T04:00:00Z Everyday experience shows us that Earth exerts a gravitational force upon objects at its surface. Astronomy 2016-10-13T00:00:00Z Often aloof and mercurial, Dylan nonetheless was the gravitational force in their universe, almost like a father. Why Luke Perry’s death is so personal for many forgotten Gen Xers 2019-03-06T05:00:00Z “Now I must train in this sort of gravitational force, 0-G, the lack of gravity.” UAE says its first astronaut going into space in September 2019-02-25T05:00:00Z If air resistance is negligible, the net force on a falling object is the gravitational force, commonly called its weight w . College Physics for AP Courses 2015-08-12T00:00:00Z Then they plugged in the estimated gravitational forces prevailing on five sizable, potentially rocky exoplanets found by NASA’s late, great Kepler space telescope, from the hefty Kepler-36b to the smaller Kepler-406c. "Toffee Planets" Hint at Earth's Cosmic Rarity 2019-04-03T04:00:00Z Also, that gravitational force had to predict the correct behavior of falling bodies on Earth, as observed by Galileo. Astronomy 2016-10-13T00:00:00Z Scientists suspect the rings formed perhaps when a large icy comet or moon ventured too close to Saturn and was shattered by gravitational forces or moons collided in orbit. Lord of the rings: Saturn's halo may be relatively recent trait 2019-01-17T05:00:00Z The most unusual fact about it is that it deviates from an orbit that is shaped purely by the gravitational force of the sun. Have Aliens Found Us? A Harvard Astronomer on the Mysterious Interstellar Object ‘Oumuamua 2019-01-16T05:00:00Z The four basic forces are the gravitational force, the electromagnetic force, the weak nuclear force, and the strong nuclear force. College Physics for AP Courses 2015-08-12T00:00:00Z If you get close enough to one, you will certainly experience its powerful gravitational force, which is why astronomers see stars orbiting the supermassive black hole at the center of our Milky Way galaxy. Perspective | Five myths about space 2018-12-10T05:00:00Z These calculations follow the motions of up to 100 million “star particles” to see whether gravitational forces can cause them to form spiral structure. Astronomy 2016-10-13T00:00:00Z The Kibble balance works by measuring the electric current that is required to produce an electromagnetic force equal to the gravitational force acting on a mass. The future of the kilo: a weighty matter 2018-11-03T04:00:00Z So what was providing the extra gravitational force that was holding galaxies together? Witches, goblins and the quest to solve the mystery of dark matter 2018-10-20T04:00:00Z Everything we experience directly without sensitive instruments is due to either electromagnetic forces or gravitational forces. College Physics for AP Courses 2015-08-12T00:00:00Z U.S. and Russian space officials said the astronauts were in good condition after enduring gravitational force that was six-to-seven times more than is felt on Earth. US, Russian crew in Russian space center after failed launch 2018-10-12T04:00:00Z As much as 95% of this mass consists of dark matter that emits no electromagnetic radiation and can be detected only because of the gravitational force it exerts on visible stars and interstellar matter. Astronomy 2016-10-13T00:00:00Z To prepare for his maiden voyage, Branson said, he’s been training rigorously: cycling, playing tennis and spending time in a centrifuge to acquaint his body with the gravitational forces of space. Virgin Galactic is weeks away from reaching space, CEO says 2018-10-09T04:00:00Z Plucked from the streets of Moscow, Laika endured extreme gravitational forces, vibration and long periods of isolation. The Dark World of Wildlife Trafficking, Martin Rees on the Future and Other New Science 2018-10-01T04:00:00Z The weight of an object mg is the gravitational force between it and Earth. College Physics for AP Courses 2015-08-12T00:00:00Z They are symptoms of deeper problems that like gravitational forces push everything in a particular direction. Why do people share conspiracy theories and fake news? Maybe it’s the human “need for chaos” 2018-09-09T04:00:00Z It’s becoming clearer and clearer that, through the gravitational force it exerts, dark matter plays a dominant role in galaxy formation and early evolution. Astronomy 2016-10-13T00:00:00Z The gravitational force between two bodies is proportional to the masses of these bodies. Gravity measured with record precision 2018-08-28T04:00:00Z Seated 24 across with over-the-shoulder harnesses, riders will experience a thrilling combination of negative and positive gravitational forces. HARLEY QUINN Spinsanity Debuts at Six Flags Over Texas 2018-07-11T04:00:00Z He noted that if the gravitational force caused the Moon to orbit Earth, then the acceleration due to gravity should equal the centripetal acceleration of the Moon in its orbit. College Physics for AP Courses 2015-08-12T00:00:00Z Any two objects with mass are attracted to each other through the gravitational force. Triple-Star Test Shows Einstein Was Right, Again 2018-07-05T04:00:00Z “This means we expect the direction of the gravitational force on the wide areas of the asteroid surface to not point directly down.” At Asteroid Ryugu, Japan's Hayabusa2 Spacecraft Preps for Exploration 2018-06-29T04:00:00Z For example, the gravitational force between two 1-kilogram objects separated by 1 metre is equivalent to the weight of a few biological cells. Gravity measured with record precision 2018-08-28T04:00:00Z One of the vibrational states of the string corresponds to the graviton, the quantum-mechanical particle carrying the gravitational force. A Conversation with Thomas Hertog, One of Stephen Hawking's Final Collaborators 2018-05-24T04:00:00Z One of the most interesting questions is whether the gravitational force depends on substance as well as mass—for example, whether one kilogram of lead exerts the same gravitational pull as one kilogram of water. College Physics for AP Courses 2015-08-12T00:00:00Z “The close proximity of the stars, aided by the gravitational forces of the planets, help these systems attract, remove and capture asteroids from one another,” she said. This bizarre, backward asteroid might be a visitor from another star 2018-05-21T04:00:00Z If that mass is evenly distributed, like in a sphere, the gravitational force points directly downwards towards the sphere’s center. At Asteroid Ryugu, Japan's Hayabusa2 Spacecraft Preps for Exploration 2018-06-29T04:00:00Z A gravitational force was applied to the masses at the ends of the dumb-bell, acting perpendicularly to the bar of the dumb-bell and to the axis of the fibre. Gravity measured with record precision 2018-08-28T04:00:00Z On Earth, gravitational forces usually disperse these condensates within a few seconds. Universe’s coolest lab set to open up quantum world 2018-05-07T04:00:00Z He found, with an accuracy of five parts per billion, that the gravitational force does not depend on the substance. College Physics for AP Courses 2015-08-12T00:00:00Z Again, Beyoncé was obviously the sun in these collaborative moments; you never forgot that it was her gravitational force that had brought these other stars into orbit. Beyoncé’s Coachella performance was incredible — and she knew it 2018-04-15T04:00:00Z "His existence will still be there and he's still a gravitational force within Brazilian politics. He's a player." Brazil's Lula still has power to influence 2018-04-09T04:00:00Z Eventually, the dumb-bell reached a position at which the twisting force of the fibre balanced the gravitational force. Gravity measured with record precision 2018-08-28T04:00:00Z I forgot about gravitational force on my face. REVIEW: EndyMed’s Newa revives skin to youthful glow 2018-01-23T05:00:00Z All these motions are governed by gravitational force, and it is possible to describe them to various degrees of precision. College Physics for AP Courses 2015-08-12T00:00:00Z But other cinema distributors are talking darkly about the “Paddington effect”: Paddington is the dark star whose terrifying gravitational force is sucking audiences away from other films. #MeToo has reached the art world. Don’t think it’s running out of steam | Peter Bradshaw 2017-12-06T05:00:00Z Due to the difference in height, temperature, and the gravitational force, pressure builds up in the pipe. Can ice structures solve a Himalayan water crisis? 2017-10-02T04:00:00Z The gravitational force was then applied in the opposite direction and a second rotation angle was measured. Gravity measured with record precision 2018-08-28T04:00:00Z “The tides are the response of the earth's oceans to the gravitational forces from the sun and moon.” Farmed and Dangerous? Pacific Salmon Confront Rogue Atlantic Cousins 2017-08-28T04:00:00Z While Kepler was able to discover what was happening, Newton discovered that gravitational force was the cause. College Physics for AP Courses 2015-08-12T00:00:00Z “This meant they could endure motion and gravitational forces that make most people nauseous.” ‘I wanted to serve’: These deaf men helped NASA understand motion sickness in space 2017-05-05T04:00:00Z Upon reentry, the passengers would for a few moments experience 5 Gs, or five times the gravitational force. Bezos shows off the crew capsule that could soon take tourists to space 2017-04-06T04:00:00Z The magnitude of the gravitational force was calculated from the difference between these two angles. Gravity measured with record precision 2018-08-28T04:00:00Z In Mayan, Holbox means “black hole,” which may explain its gravitational force. Jonathan Gold tastes transcendent Mexican seafood tostadas at Holbox, a sister stand to Chichen Itza 2017-03-30T04:00:00Z A conservative force is one, like the gravitational force, for which work done by or against it depends only on the starting and ending points of a motion and not on the path taken. College Physics for AP Courses 2015-08-12T00:00:00Z To be a planet, the International Astronomical Union says, it must orbit the sun, be large enough to be rounded by its own gravitational force, and dominate the neighborhood around its orbit. On the birthday of Pluto’s discovery, Science takes a look back on the dwarf planet’s long, strange history 2017-02-17T05:00:00Z The disparity between gravity and these forces explains, for example, why a small magnet can pick up a paper clip against the gravitational force of an entire planet. Searching for particles on a benchtop 2017-01-26T05:00:00Z They are the sun around which all the stars and planets revolve, the source of all the energy and inspiration, the guiding light and the gravitational force that holds it all together. On Trump and the entrepreneur’s conceit 2017-01-14T05:00:00Z When, in one context or another, we manage to use profanity creatively, we escape the gravitational forces of history and convention. Do We Swear Too Much? 2016-10-11T04:00:00Z In it, oil drops were suspended against the gravitational force by a vertical electric field. College Physics for AP Courses 2015-08-12T00:00:00Z The gravitational forces responsible for high tides may also play a role in triggering major earthquakes, a study suggests. Gravitational pull 'has role in quakes' - BBC News 2016-09-13T04:00:00Z Cavendish was the first to measure the gravitational force between objects in a laboratory directly. Searching for particles on a benchtop 2017-01-26T05:00:00Z And there's one other political brand exerting a strong gravitational force on the campaign, despite the best efforts of the major parties' senate reforms. Down Under, a Quieter Election Season 2016-06-28T04:00:00Z The old, bloated star quickly became fodder for its smaller sibling, whose gravitational forces began siphoning off gases from the larger one’s wispy exterior. Ancient Stars Unleashed a Space-Time Tsunami Felt on Earth In this experiment oil drops are suspended in a vertical electric field against the gravitational force to measure their charge. College Physics for AP Courses 2015-08-12T00:00:00Z Development of the railgun guidance system is about done, officials said, but circuits in the projectile must be hardened to withstand gravitational forces strong enough to turn most miniaturized electronics to scrap. A First Look at America’s Supergun 2016-05-27T04:00:00Z "Overall, I think we should not be worried about the full moon. Our behaviors are largely influenced by many other factors like genes, education, income and psychosocial aspects rather than by gravitational forces," Chaput added. Don't Blame Kids' Behavior on Full Moon 2016-05-12T04:00:00Z Is that magnetic force or gravitational force, Dusty? Leadership can be hard to define, but Dusty Baker knows what he’s doing 2016-04-01T04:00:00Z Without any gravitational forces acting on an astronaut, a person will continue moving in one direction until an object changes his or her course. Adrift is as close as most of us will get to a spacewalk — nausea and all 2016-03-30T04:00:00Z When they are moved farther apart, the magnitude of their mutual gravitational force changes by a factor of n. College Physics for AP Courses 2015-08-12T00:00:00Z To explain the universe’s bizarrely accelerating expansion, current theory holds that the universe must be dominated by a repulsive gravitational force. 5 Cosmic Mysteries That Scientists Still Hope to Solve Ashtekar said heavy celestial objects bend space and time but because of the relative weakness of the gravitational force the effect is miniscule except from massive and dense bodies like black holes and neutron stars. Einstein's gravitational waves detected in scientific milestone 2016-02-11T05:00:00Z My belief is that Sanders’s trajectory is subject to its own physical laws and immune to Clinton’s gravitational forces. Will the Clinton campaign’s new strategy get her the nomination? 2016-01-20T05:00:00Z Formula 1 features open-wheeled cars that today often exceed 200 miles per hour and subject riders to gravitational forces stronger than a space shuttle launch. Maria Teresa de Filippis, Pioneer of Auto Racing, Dies at 89 2016-01-16T05:00:00Z This is exactly analogous to the gravitational force in the absence of dissipative forces such as friction. College Physics for AP Courses 2015-08-12T00:00:00Z Cosmologists believe that some unseen kind of matter surrounds and permeates Andromeda and other galaxies, adding the necessary gravitational force to keep them spinning as observed. New Ideas in the Search for Dark Matter 2015-12-01T05:00:00Z To look like dark matter, gravity would have to expand into all four dimensions, which would mean that the gravitational force between two objects would decrease as the third power of separation. Readers Respond to “Mystery of the Hidden Cosmos” 2015-11-08T05:00:00Z Guzmán, who fervently believes in the "gravitational force" of memory, finds it in every direction. Patricio Guzman's films explore Chile, 'a country that rests upon a wound' 2015-10-03T04:00:00Z "There are really only two physics principles we need for this problem—the gravitational force and the acceleration of an object moving in a circle." Physics Week in Review: July 4, 2015 2015-07-04T04:00:00Z From the discussions in Electric Charge and Electric Field, we know that electrostatic forces on small particles are generally very large compared with the gravitational force. College Physics for AP Courses 2015-08-12T00:00:00Z Cosmologists believe that some unseen kind of matter—dark matter—surrounds and permeates Andromeda and other galaxies, adding the necessary gravitational force to keep them spinning as observed. A Hidden World of Complex Dark Matter Could Be Uncovered 2015-06-16T04:00:00Z That may seem like an odd statement, as the gravitational force is all but inescapable, and is plenty strong enough to prevent me from dunking a basketball. Using Atoms To Measure Tiny Forces 2015-06-10T04:00:00Z Proponents of this view believe increased gravitational forces cause these disasters to happen. Don't Rely On The Sky To Foresee An Earthquake 2015-05-29T04:00:00Z The test dummy is equipped with sensors to gather data on the gravitational forces experienced inside the Crew Dragon capsule. Watch Live: SpaceX to launch dummy in key test 2015-05-06T04:00:00Z Their movement is observed between metal plates with a potential applied to oppose the gravitational force. College Physics for AP Courses 2015-08-12T00:00:00Z In that case, the strength of the gravitational force pulling you toward Earth's center varies in proportion to the distance from the center. How long would it take you to fall through Earth? 2015-03-24T04:00:00Z Early sections of the show dramatize a gravitational force field of revolutionary agitation and sentiment. Art and Revolution 2015-01-19T05:00:00Z The forces against and dragging on the spacecraft may be stronger than the gravitational forces, making it impossible to do a normal “orbit.” Landing on a Comet: Inside Rosetta Orbiter’s Philae Landing Mission 2014-11-11T05:00:00Z But under extreme gravitational forces, the core of “Interstellar” holds. Review: ‘Interstellar’ a sublime cosmic knockout 2014-10-30T04:00:00Z Explain why we only need to concern ourselves with gravitational force to describe the orbit of the Earth around the Sun. College Physics for AP Courses 2015-08-12T00:00:00Z Only Hagan appears, at the moment, to be immune from the negative gravitational forces on her party. In 2014 midterms, Republicans increasingly see parallels to 2006 election In order to break through this gravitational force holding you back, you need to act quickly, executing upon a crystal-clear game plan. What Startups Can Learn From The Fall Of The Roman Empire 2014-08-14T04:00:00Z These dust particles clump together making larger and larger pieces, which are drawn in by the gravitational forces of the disk to form a solid core. Finding Water On An Alien World Could Be Harder Than We Thought 2014-07-25T04:00:00Z Those with lower hazard ratings would experience less intense swaying measured in gravitational force. News briefs from around Tennessee at 1:58 a.m. EDT 2014-07-18T04:00:00Z The main tenet of Superstring theory is that fundamental particles, including the graviton that carries the gravitational force, act like one-dimensional vibrating strings. College Physics for AP Courses 2015-08-12T00:00:00Z The planets and stars we see in the night sky were formed by powerful gravitational forces that crushed their constituent atoms tightly together. Diamond crushed to Saturn's extremes 2014-07-16T04:00:00Z The upshot of that dire dairy debate: a cheese moon of the same volume would be less dense, thus imparting smaller gravitational forces and weakening the earth's tides. The Right Car Handled The Right Way Can Drive You Up the Wall 2014-06-05T04:00:00Z It is possible that both Sedna and Biden formed closer to the Sun and were later ejected by gravitational forces. Pink Dwarf Planet Found Beyond Pluto 2014-03-27T18:05:00Z However, good posture relies on an active relationship with both the pull of gravitational forces and the suspension of anti-gravitational forces. Poor posture when sitting poses problems for health and productivity 2014-02-03T21:19:44Z The gravitational force is surprisingly weak—it is only because gravity is always attractive that we notice it at all. College Physics for AP Courses 2015-08-12T00:00:00Z Remember that by definition, weight is simply the measure of gravitational force keeping you on planet Earth. 5 Things to Do When Healthy Resolutions Fail 2014-01-27T13:00:00Z The center wants to exert a gravitational force on the northeast, drawing it nearer — not distancing it, whether through greater autonomy or nudging it one hour ahead, into the future. India Ink: In Assam, an Idea Whose Time Has Not Yet Come 2014-01-16T13:39:28Z In fact they are moving round so fast that without some extra gravitational force to hold on to them, they'd be flying off into the depths of space. How close are we to finding dark matter? 2013-11-18T13:05:22Z For example, if you were to orbit Jupiter, its incredible size would produce a large gravitational force on you. Getting the God of Thunder s Science Straight 2013-11-08T17:15:04.837Z Our weight is the gravitational force due to the entire Earth acting on us. College Physics for AP Courses 2015-08-12T00:00:00Z In Bohm’s original formulation, particles always have well-defined positions and are shepherded by a “quantum potential” similar in general spirit to electric and gravitational forces. The Wholeness of Quantum Reality: An Interview with Physicist Basil Hiley 2013-11-05T00:15:15.043Z And because the stars themselves orbit each other, the strength of the gravitational forces would constantly change. The Discovery of Planets with Two Suns (preview) 2013-10-23T13:15:00.487Z Matter falling into the black hole is subjected to exceedingly large gravitational forces, and the result is a blaze of light and radiation that is very visible to telescopes. The Milky Way's Supermassive Black Hole Erupted Two Million Years Ago 2013-09-25T06:07:00Z On Day 1, there is a natural pull toward the lobster roll because, when one exists at a food court, it exerts its gravitational force on humans. Straight Sets: U.S. Open Food Review: An Incredibly Shrinking Lunch 2013-08-26T19:46:20Z Although the examples in this section emphasize gravitational forces, the basic conditions for equilibrium are the same for all types of forces. College Physics for AP Courses 2015-08-12T00:00:00Z Exercise affects bone strength in two ways: in response to the pressure of gravitational forces like those experienced when walking, running or jumping, and in reaction to the stress exerted by muscle contraction. Well: To Ensure Bone Health, Start Early 2013-08-05T04:01:23Z From an experimental perspective one of the best bets for probing a quantum theory of gravity is to look for gravitons, particles that are thought to mediate the gravitational force. Why the search for a unified theory may turn out to be a pipe dream 2013-05-03T23:45:02.410Z In Matese and Whitmore’s model, Tyche slightly perturbs the comets in conjunction with the galactic tide, a gravitational force produced by the disk of the Milky Way. Sun May Still Have Low-Mass Solar Companion, Say Astrophysicists Searching NASA WISE Mission Data 2013-03-31T04:28:18Z If the force exists, it is so tiny that the gravitational force between two particles such as an electron and a neutron is a million times stronger. Unparticle May Lurk in Earth s Mantle 2013-02-21T21:45:05.733Z A spherical particle falling at a terminal speed in a liquid must have the gravitational force balanced by the drag force and the buoyant force. College Physics for AP Courses 2015-08-12T00:00:00Z The planet is being tugged on by the gravitational forces from four different stars yet, despite this complicated environment, PH1 is able to maintain a stable orbit. Oddballs: The strange worlds beyond our Solar System 2012-12-25T00:26:16Z The fundamental problem with detecting gravitons is the extremely weak nature of the gravitational force. Why the search for a unified theory may turn out to be a pipe dream 2013-05-03T23:45:02.410Z In this scenario, colorfully dubbed “No Drama,” the gravitational forces won’t become extreme until she approaches a point inside the black hole called the singularity. Black Hole Firewalls Confound Theoretical Physicists 2012-12-21T18:15:00.203Z It remains a mystery how the Neptune-like world avoids being pulled apart by the gravitational forces generated its four stars. Planet with four suns disovered 2012-10-15T15:33:40Z The gravitational force on the basketball in Figure 4.6 is ignored. College Physics for AP Courses 2015-08-12T00:00:00Z Basically, the gravitational force that has been expanding every other smartphone screen has caught up with Apple. iPhone 5 launch: live coverage of the Apple event 2012-10-01T12:38:11Z The powerful gravitational forces from a supermassive black hole twist and warp the fabric of space itself. Black hole to eat planetary cloud 2012-09-11T17:53:44Z The researchers determined these parameters using Doppler spectroscopy, which measures emitted light to determine how a smaller body exerts gravitational force on a larger body. Body Double: Understanding the Astrophysics of a Newly-Discovered Multi-Planet Binary Star System 2012-09-11T12:45:00.180Z That indicated that there were gravitational forces acting on the stars. Hubble Telescope Finds Two Star Clusters Starting To Collide 2012-08-20T03:08:25Z However, as the person's velocity increases, the magnitude of the drag force increases until the magnitude of the drag force is equal to the gravitational force, thus producing a net force of zero. College Physics for AP Courses 2015-08-12T00:00:00Z You know the way a face contorts from excessive gravitational forces? For Olympic Weight Lifters, Event Is More Than Momentary Lift 2012-08-01T19:20:24Z Address scarcity added to the gravitational force of centralization and control. The Link Between Scarce IP Addresses and the Centralization of the Internet 2012-06-13T15:23:36Z IMU’s are primarily used to measure and report on velocity, orientation and gravitational forces. In Italy A Quadruped Robot Takes First Steps 2012-05-16T21:06:12Z This rate, he thinks, is regulated by the gravitational force. Astronomical Curiosities Facts and Fallacies 2012-03-27T02:00:18Z We will therefore study not only motion along curves, but also the forces that cause it, including gravitational forces. College Physics for AP Courses 2015-08-12T00:00:00Z Shorter pilots can typically withstand greater gravitational forces when in fast minimum-radius turns or the dives, rolls and climbs involved in dogfighting and strafing. Afghan War Reflects Changes in Air War 2012-01-16T03:31:58Z When this second disk, called the attractor, is rotated, the material between its holes exerts a tiny gravitational force on the material between the holes in the detector. Frontier experiments: Tough science 2012-01-04T18:20:13.233Z Scientists have speculated that physics as we know it could break down in the presence of such a strong gravitational force. The Year in Pictures 2011-12-22T19:11:37Z He computed that in this comet the repulsive force exerted by the sun on the comet’s tail was “about 39·5 times the gravitational force.” Astronomical Curiosities Facts and Fallacies 2012-03-27T02:00:18Z Other objects in the room and the hospital building also exert similar gravitational forces. College Physics for AP Courses 2015-08-12T00:00:00Z It has been described in order to introduce certain ideas which are essential to the discussion of energy changes and reactions of gases in the lines of gravitational forces. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z A king tide will be running Wednesday and Thursday because gravitational forces of the sun, the moon and the earth will be lined up in a cue shot of fleeting geometry and rare power. About New York: King Tide to Raise Sea Level on Atlantic Coast 2011-10-26T01:16:05Z The radio astronomers who first noticed the warping in the 1950s thought it might result from gravitational forces exerted by the Magellanic Clouds, the most massive galaxies in orbit around the Milky Way. The Dark Side of The Milky Way 2011-09-20T14:45:05.700Z Moreover, the fact of atmospheric pressure is itself a case of one of the commonest of all facts—weight or gravitational force. How We Think 2011-09-16T02:00:18.973Z But ultimately, there needs to be some gravitational force that pulls it all together. Tim Cook Aims to Provide Jobs’s ’Gravitational Force’ at Apple 2011-08-25T01:32:01Z Where the structure of the latter is of such a nature as to offer great resistance to the gravitational forces, the readjustment may take the form of an earthquake. The Energy System of Matter A Deduction from Terrestrial Energy Phenomena 2011-12-21T03:00:36.570Z These rocky masses were large enough to exert a considerable gravitational force on surrounding material, including other nascent planets. Mars 'remains in embryonic state' 2011-05-27T13:35:50Z Indeed, the researchers hypothesise these objects were formed in a planetary disc, like the planets in our own Solar System, before gravitational forces ejected them from these systems. First 'orphan planets' discovered 2011-05-18T17:18:35Z If you exceed it, the gravitational force exerted by the contents of your suitcase will become so intense that the suitcase collapses into a black hole, and you’ll never see your stuff again. Space Is an Elaborate Illusion 2011-05-17T15:15:00.257Z His strategy was to calculate the gravitational force exerted on Earth’s crust as the moon, the sun, and the planets change their position relative to one another. Scientists Try to Counter Rome Earthquake Fear 2011-05-10T19:30:15Z A minute after he crossed the horizon, the gravitational forces deep inside the hole would tear him apart. Portrait of a Black Hole (preview) 2011-05-01T14:15:49.603Z Thus, said Dirac, the large ratio of electric to gravitational forces is characteristic of the present age of the universe. Gravity, by George Gamow [Special Archive Article] 2011-03-04T13:45:00.433Z "Pulsars are the cores of old stars that are crushed by gravitational forces," Allen says. Star (Finding) Power: Einstein@Home Taps Donated PC Graphics Processors to Uncover a Second Pulsar 2011-03-01T23:15:05.257Z Specifically, Milgrom assumed that for very small accelerations, the square of the acceleration, not just the acceleration, is proportional to the gravitational force. More Evidence Against Dark Matter? 2011-02-25T22:42:40Z The coil is suspended in an external magnetic field and the current running through it adjusted so that the attraction between the two magnets balances the gravitational force on the suspended mass. Weighing a kilogram: The constant gardeners 2011-01-27T10:58:13Z Thus, in the absolute determination of the ampere with a current balance, the force between two coils carrying current is balanced by the earth’s gravitational force upon a body of determinable mass. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z Instead of comparing the times required for emission of quanta, let us compare the actual strength of the electrostatic and gravitational forces between a pair of middleweight particles, say pi mesons. Gravity, by George Gamow [Special Archive Article] 2011-03-04T13:45:00.433Z Once you win, the human tendency is to credit the gravitational force of your own ideas, to assume that you made a more compelling and more substantive case than you actually did. Victory Alone Does Not a Mandate Make 2011-01-05T01:30:19Z “The Bush tax cuts have become a black hole that has attracted, with deep gravitational force, all of the debate about taxation,” he said. Economic Policy? More Listen to Conservatives 2010-12-01T08:48:00Z A report issued in April by the International Luge Federation said gravitational force overpowered Kumaritashvili and left him unable to avoid the crash, which it also termed accidental. British Columbia coroner: Luge audit needed 2010-10-05T00:30:00Z In its analysis of the crash, released Monday, it attributed the accident to gravitational forces that overcame the athlete, Nodar Kumaritashvili, and said the death was caused by “a complex series of interrelated events.” Luge Federation Again Says Olympic Track Not to Blame for Death 2010-04-19T19:53:00Z Beck, who is used to controlling the gravitational force of victimhood around him, kept interrupting to point out that he was a bigger target of even greater forces than Massa. Eric Massa on Glenn Beck: Battle on Fox Over Controversy 2010-03-10T16:30:00Z A recent investigation by Professor Poynting, F.R.S., has shown that so far as all evidence goes all bodies, even the densest, are transparent with respect to gravitational forces. On the magnet, magnetick bodies also, and on the great magnet the earth a new physiology, demonstrated by many arguments & experiments Though it lacked the size of the uninhabitable hydrogen-ammonia planets and its low density made its surface gravity fairly normal, its gravitational forces fell off but slowly with distance. Youth Now it has been shown that the radiations of the sun have the power of repelling matter, whilst the sun itself attracts by its gravitational force. The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture We have a sort of fourth-dimensional lens that concentrates the lines of any gravitational force. Empire And so he felt disconcerted as if he were now walking through the gravitational force of a different planet. An Apostate: Nawin of Thais He touched the lever and the Skylark moved slowly toward the wreckage, the scattered fragments of which were beginning to move toward and around each other because of their mutual gravitational forces. Skylark Three Apparently this control station had two functions: the control of the planet's movements, its axial rotation and its orbital flight, and its ability to apply gravitational force to other celestial bodies. Wandl the Invader She, like her companion, had developed amazingly in musculature, and few indeed were the denizens of Ganymede, who could equal her speed upon that small globe, with its feeble gravitational force. Spacehounds of IPC Oh, the ray concentrates the gravitational force, and projects it. Invaders from the Infinite The gravitational force falling off as the square of the distance, must vanish at infinity if we mean what we say when we ascribe infinite separation to them. The Birth-Time of the World and Other Scientific Essays This figure represented a compromise between the gravitational forces of the two worlds upon which the different parties lived. Skylark Three They drew the worker with the gravitational force of seemingly endless work, the employer with their suggestion of an infinite ocean of labour. The Sleeper Awakes A Revised Edition of When the Sleeper Wakes At the same time, she will enter a program that will allow the system to read the gravitational forces attendant upon every object within its range. The Runaway Asteroid On the contrary, they are most prone to influences within their locality and hence, their ability to withstand the gravitational forces of politics and economics has to be appreciated. Behind the News: Voices from Goa's Press Now while gravitational forces favour sudden shock and violent motions in the hills, the effect of these on solvent and chemical denudation is but small. The Birth-Time of the World and Other Scientific Essays The central volume or core of the star is undoubtedly a great deal denser than the surface strata, on account of pressure due to the star's own gravitational forces. Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 They drew the worker with the gravitational force of seemingly endless work, the employer with their suggestions of an infinite ocean of labour. When the Sleeper Wakes Such a body is presumably gaseous throughout, the component gases being held in a state of rigidity by the compression produced by the tremendous gravitational force of their own aggregate mass. Curiosities of the Sky Now we know that the inner coherence of a physical body is due to its point-relationship, that is to the gravitational force bound up with it. Man or Matter |
随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条,基本涵盖了全部常用单词及词组的例句翻译及用法,是英语学习的有利工具。