| 单词 | Milky Way Galaxy |
| 例句 | In the Milky Way Galaxy there must be many planets millions of years older than Earth, and some that are billions of years older. Cosmos 1980-01-01T00:00:00Z From the Sun to the center of the Milky Way Galaxy is 30,000 light-years. Cosmos 1980-01-01T00:00:00Z The Arecibo Observatory could communicate with an identical radio telescope on a planet 15,000 light-years away, halfway to the center of the Milky Way Galaxy, if we knew precisely where to point it. Cosmos 1980-01-01T00:00:00Z On some of the billions of planets in the Milky Way Galaxy, life may never arise. Cosmos 1980-01-01T00:00:00Z We know N., the number of stars in the Milky Way Galaxy, fairly well, by careful counts of stars in small but representative regions of the sky. Cosmos 1980-01-01T00:00:00Z From eight billion light-years away we are hard pressed to find even the cluster in which our Milky Way Galaxy is embedded, much less the Sun or the Earth. Cosmos 1980-01-01T00:00:00Z Some similar chemistry must have occurred on a billion other worlds in the Milky Way Galaxy. Cosmos 1980-01-01T00:00:00Z With a third or half a trillion stars in our Milky Way Galaxy alone, could ours be the only one accompanied by an inhabited planet? Cosmos 1980-01-01T00:00:00Z Imagine a huge galactic computer, a repository, more or less up-to-date, of information on the nature and activities of all the civilizations in the Milky Way Galaxy, a great library of life in the Cosmos. Cosmos 1980-01-01T00:00:00Z Each of us has perhaps a hundred billion neurons, comparable to the number of stars in the Milky Way Galaxy. Cosmos 1980-01-01T00:00:00Z A great star cloud in the constellation Sagittarius, looking towards the center of the Milky Way Galaxy. Cosmos 1980-01-01T00:00:00Z There may be a million worlds in the Milky Way Galaxy alone that at this moment are inhabited by beings who are very different from us, and far more advanced. Cosmos 1980-01-01T00:00:00Z Supreme Court interested, and Charles Duan of both Slate and the Milky Way Galaxy found a metaphor in the language of Klingon. Studio Claims Crowdfunded 'Star Trek' Film Infringes Klingon Copyright 2016-03-14T04:00:00Z It appears to contain only a few hundred stars, compared with the few hundred billion stars in the Milky Way Galaxy. Paging Neil deGrasse Tyson: Fossil galaxy may be relic of baby universe 2014-04-09T12:30:00Z SN1987A is sited a mere 170,000 light-years from us in the Large Magellanic Cloud, a dwarf galaxy adjacent to our own Milky Way Galaxy. James Webb: Telescope reveals new detail in famous supernova 2023-08-31T04:00:00Z The great astronomer Edwin Hubble discovered that all distant galaxies are receding from our Milky Way Galaxy with velocities proportional to their distances. College Physics for AP Courses 2015-08-12T00:00:00Z A supernova occurs on average once every 25 to 100 years in the Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z Astronomers today released the first ever image of the supermassive black hole at the center of the Milky Way Galaxy—or an image of its shadow at least. Shadow of Milky Way’s giant black hole revealed by astronomers 2022-05-12T04:00:00Z At the same time, it is relatively inactive compared to other galaxies, only producing new stars at roughly half the rate as new stars in the Milky Way Galaxy. The Hubble telescope turns 32: Here are some of its greatest hits 2022-04-23T04:00:00Z "Those environments need to be close enough to us, or at least closer than a percent of the size of the Milky Way Galaxy, because otherwise these chunks would entirely evaporate," Loeb said. Snowball fight: Astronomers argue over whether 'Oumuamua was a spacecraft or a chunk of ice 2021-09-15T04:00:00Z Figure 3.64 illustrates this for five galaxies lying along a straight line, with the Milky Way Galaxy at the center. College Physics for AP Courses 2015-08-12T00:00:00Z Today, we know that our Sun is just one of the many billions of stars that make up the huge cosmic island we call the Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z Space telescopes already in the works should be able to spot the effect, they say, potentially enabling scientists to trace how the mysterious stuff is distributed within our Milky Way Galaxy. Dark matter could warm the hearts of lonely old planets, scientists predict 2021-03-26T04:00:00Z It's been described as the "ultimate book of the heavens" - a catalogue of stars in our Milky Way Galaxy assembled by Europe's Gaia Space Telescope. Gaia 'discovery machine' updates star catalogue 2020-12-03T05:00:00Z The band across the middle is the plane of our Milky Way Galaxy, with the centre of the galaxy in the middle of the ellipse. Breathtaking new map of the X-ray Universe 2020-06-19T04:00:00Z For instance, the supermassive black hole at the center of our Milky Way Galaxy is thought to be 4.6 million times the mass of our Sun. Astronomers say they’ve found the closest black hole to Earth 2020-05-06T04:00:00Z The Milky Way Galaxy surrounds us, and you might think it is easy to study because it is so close. Astronomy 2016-10-13T00:00:00Z There, he said, there was no light pollution at all, and he saw the Milky Way Galaxy for the first time. Stargazers find happiness in night sky’s beauty and mystery 2020-01-05T05:00:00Z Physicists think the entire Milky Way Galaxy lies embedded in a vast cloud of dark matter, like the swirl of color within a marble, with the dark matter densest in the middle. Physicists revive hunt for dark matter in the heart of the Milky Way 2019-11-12T05:00:00Z Kepler focused on stars thousands of light-years away and, according to NASA, showed that statistically there’s at least one planet around every star in our Milky Way Galaxy. Planet-hunting telescope silent after finding 2,600 worlds 2018-10-30T04:00:00Z On cosmic timescales — measured in millions or even billions of years—it will be no time at all before our descendants begin to spread outward and across the Milky Way Galaxy. How will our species survive in an ever-expanding universe? 2018-07-16T04:00:00Z Here, we see the Milky Way Galaxy as it would look from above. Astronomy 2016-10-13T00:00:00Z On cosmic timescales—measured in millions or even billions of years—it will be no time at all before our descendants begin to spread outward and across the Milky Way Galaxy. How Will Our Species Survive in an Ever-Expanding Universe? 2018-07-11T04:00:00Z But beyond that, Gaia promises a raft of new discoveries about the properties and structure of our Milky Way Galaxy, its history and evolution into the future. 'Book of the heavens' takes shape 2018-04-25T04:00:00Z This morning, the European Space Agency unveiled a new, highly detailed sky map of the Milky Way Galaxy that showcases the brightness and positions of nearly 1.7 billion stars. New galactic map shows the positions and brightness of 1.7 billion stars 2018-04-25T04:00:00Z “That’s the Milky Way Galaxy,” he said, gesturing to the starry image developing on the black paint of his mural in a front hallway of Ramsey Magnet School of Science. Army veteran paints mural for his former elementary school 2017-05-27T04:00:00Z Among the things a large telescope and dark skies enabled Baade to examine carefully were other galaxies—neighbors of our Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z The European Space Agency just released an intricate star map cataloging the precise positions of more than 1.1 billion stars in the Milky Way Galaxy. It's Tokyo Game Show, but where's the Nintendo NX? 2016-09-15T04:00:00Z The European Space Agency just released an intricate star map cataloging the precise positions of more than 1.1 billion stars in the Milky Way Galaxy. European Space Agency releases preliminary map of 1 billion stars 2016-09-14T04:00:00Z "But that two dozen number - that's probably more than are in the entire Milky Way Galaxy for this type of star," he told BBC News. Hubble telescope spies stellar 'land of giants' - BBC News 2016-03-17T04:00:00Z And it's incredibly luminous, shining 20 times brighter than all of the stars in the Milky Way Galaxy combined. Supernova in distant galaxy may be the brightest and most powerful ever seen 2016-01-14T05:00:00Z Despite this great distance, it is still one of the quasars closest to the Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z While filming a timelapse of the Milky Way Galaxy on October 16, Eisenhauer captured a fireball in the sky that seemed to spontaneously explode. Watch This Video of a Meteorite Exploding 2014-11-04T05:00:00Z The Orion Nebula, a very active star-forming region within our own Milky Way Galaxy. Astronomers Still Puzzle Over 'Low Surface Brightness' Galaxies 2013-12-23T03:39:00Z The Voyagers are moving in the general direction of the centre of our Milky Way Galaxy Scientists working on Voyager 1 are receiving further data suggesting the probe is close to crossing into interstellar space. Particles point way for Voyager 2012-06-15T11:09:42Z "Dwight Howard tells reporters he's very unhappy in Milky Way Galaxy." Who knew? Canseco an expert on world environment 2012-04-18T01:04:04Z As we saw in The Milky Way Galaxy, our own Galaxy has a black hole in its center, and the energy is emitted from a small central region. Astronomy 2016-10-13T00:00:00Z Alien encounter Voyager 1 and Voyager 2 were then sent further into deep space, towards our Milky Way Galaxy. Probe nears edge of Solar System 2011-06-14T05:56:57Z But getting a full panorama of our own Milky Way Galaxy is considerably more difficult. Arm's Trace: Astronomers Spot a Newfound Piece of the Milky Way Galaxy 2011-05-23T23:15:00.433Z Astronomers there were anticipating a slew of potential new research targets from the dozens of potentially life-supporting "exoplanets" newly detected by NASA's Kepler space telescope to be orbiting distant stars in the Milky Way Galaxy. Listening telescope for space aliens shut down by cutbacks 2011-04-29T15:22:49Z Kranath was being brought to a greater maturity than any organic intelligence currently inhabiting the Milky Way Galaxy, receiving minor psionic abilities to prepare him for further changes. Fearful Symmetry A Terran Empire novel The Milky Way Galaxy is a member of the Local Group, which contains at least 54 member galaxies. Astronomy 2016-10-13T00:00:00Z OTHERS, THE: A post-technological race that encouraged the development of intelligence in the Milky Way Galaxy, then left for another plane of existence. Concordance A Terran Empire concordance A steady stream of exoplanet discoveries is leading to the conclusion that earthlike planets occur frequently—enough that there are likely many billions of “exo-Earths” in our own Milky Way Galaxy alone. Astronomy 2016-10-13T00:00:00Z And the last decade of research on exoplanets leads us to believe that there may be billions of habitable planets in the Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z Think of our Milky Way Galaxy as a flat disk of diameter 100,000 light-years. Astronomy 2016-10-13T00:00:00Z If your telescope collects starlight tonight that has been traveling for 10,000 years, is that star inside or outside our Milky Way Galaxy? Astronomy 2016-10-13T00:00:00Z This galaxy of billions of stars, called by its catalog number NGC 1073, is thought to be similar to our own Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z Because we are inside the Milky Way Galaxy, we see its disk in cross-section flung across the sky like a great milky white avenue of stars with dark “rifts” of dust. Astronomy 2016-10-13T00:00:00Z All three of these small galaxies are satellites of the Milky Way Galaxy, interacting with it through the force of gravity. Astronomy 2016-10-13T00:00:00Z And the Sun’s gravitational pull joins with the pull of billions of others stars to create the gravitational pull of our Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z If you were to make a scale model where that box covered the core of a university campus, say 1 km, then how big would the Milky Way Galaxy be? Astronomy 2016-10-13T00:00:00Z In this panoramic photograph of the night sky from the Atacama Desert in Chile, we can see the central portion of the Milky Way Galaxy arcing upward in the center of the frame. Astronomy 2016-10-13T00:00:00Z Subsequent investigation showed that the source of this radiation was part of the Milky Way Galaxy; Jansky had discovered the first source of cosmic radio waves. Astronomy 2016-10-13T00:00:00Z These stars have typical surface temperatures around 4000 K. As we will see, globular clusters are among the oldest parts of our Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z Suppose an astronomer known for joking around told you she had found a type-O main-sequence star in our Milky Way Galaxy that contained no elements heavier than helium. Astronomy 2016-10-13T00:00:00Z Use the result from Exercise 24.21 to calculate the radius of a black hole with a mass equal to: the Earth, a B0-type main-sequence star, a globular cluster, and the Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z It turns out that the Milky Way Galaxy is a member of a small group of galaxies called, not too imaginatively, the Local Group. Astronomy 2016-10-13T00:00:00Z Astronomers have also looked for evidence of dark matter in the region of the Milky Way Galaxy that lies within a few hundred light-years of the Sun. Astronomy 2016-10-13T00:00:00Z Modern radio observations show that most of the neutral hydrogen in our Galaxy is confined to an extremely flat layer, less than 300 light-years thick, that extends throughout the disk of the Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z This infrared image taken by the Spitzer Space Telescope shows a field in the plane of the Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z Today, we know that the Milky Way comprises our view inward of the huge cosmic pinwheel that we call the Milky Way Galaxy and that is our home. Astronomy 2016-10-13T00:00:00Z Still, most cosmic rays must have their source inside the Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z This image is from a computer simulation of the Milky Way Galaxy’s interstellar medium as a whole. Astronomy 2016-10-13T00:00:00Z The map tilts the sky so that the disk of our Milky Way Galaxy runs across its center. Astronomy 2016-10-13T00:00:00Z This image, which was taken by the Hubble Space Telescope, shows stars in the direction toward the center of the Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z The very youngest stars, and the dust and gas from which stars form, are found typically within 100 light-years of the plane of the Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z To see why, we must bear in mind that stars occupy only a tiny fraction of the volume of the Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z Astronomers estimate that the total mass of gas and dust in the Milky Way Galaxy is equal to about 15% of the mass contained in stars. Astronomy 2016-10-13T00:00:00Z As we shall see, this information holds important clues to how the Milky Way Galaxy formed. Astronomy 2016-10-13T00:00:00Z It turns out, however, that the few objects seen at large distances from the luminous boundary of the Milky Way Galaxy are not moving more slowly than the Sun. Astronomy 2016-10-13T00:00:00Z On how astronomers probe the large black hole at the center of the Milky Way Galaxy. Astronomy 2016-10-13T00:00:00Z Astronomers think that star formation in the crowded nuclear bulge occurred very rapidly just after the Milky Way Galaxy formed. Astronomy 2016-10-13T00:00:00Z According to this model, the Milky Way Galaxy initially formed from a rotating cloud of gas that collapsed due to gravity. Astronomy 2016-10-13T00:00:00Z In about 3 billion years, the Milky Way Galaxy and Andromeda Galaxy will begin a long process of colliding, separating, and then coming back together to form an elliptical galaxy. Astronomy 2016-10-13T00:00:00Z Physicist Gregory Benford has written a series of science fiction novels that take place near the center of the Milky Way Galaxy in the far future. Astronomy 2016-10-13T00:00:00Z There seems nothing special about our position in the Milky Way Galaxy either, and nothing surprising about our Galaxy’s position in either its own group or its supercluster. Astronomy 2016-10-13T00:00:00Z Assume that all of the Sagittarius galaxy’s stars end up in the nuclear bulge of the Milky Way Galaxy and explain your answer. Astronomy 2016-10-13T00:00:00Z Suppose the Milky Way Galaxy were truly isolated and that no other galaxies existed within 100 million light-years. Astronomy 2016-10-13T00:00:00Z Giant bubbles shining in gamma-ray light lie above and below the center of the Milky Way Galaxy, as seen by the Fermi satellite. Astronomy 2016-10-13T00:00:00Z |
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