单词 | ionosphere |
例句 | The massive disturbances to the ionosphere would knock out communications systems everywhere, so survivors would have no idea what was happening elsewhere or where to turn. A Short History of Nearly Everything 2003-05-06T00:00:00Z At midnight he and Jutta prowl the ionosphere, searching for that lavish, penetrating voice. All the Light We Cannot See 2014-05-06T00:00:00Z Ibrahim showed himself every bit as capable as Moctar of propelling desert blues into the ionosphere. Review | Mdou Moctar lets his fingers do the talking during Black Cat show 2019-09-08T04:00:00Z It also ionized atoms across the ionosphere, which spans from 50 to 1000 kilometers in altitude, researchers say. Cosmic blast seared Earth’s atmosphere from 2 billion light-years away 2023-11-14T05:00:00Z They distinguished the ions from those of the solar wind and from those of the ionosphere itself. The importance of the Earth's atmosphere in creating the large storms that affect satellite communications 2023-10-30T04:00:00Z Eclipses also have an impact on Earth’s upper atmosphere, the ionosphere. A rare ‘ring of fire’ eclipse is coming. Here’s how to see it. 2023-10-02T04:00:00Z This is because a layer in the Earth's atmosphere called the ionosphere cool down, making it more reflective. Long wave radio fans mourn fading frequencies 2023-09-04T04:00:00Z Although plasma bubbles sound esoteric, they can interfere with GPS systems because irregularities in the ionosphere change how fast signals from these satellites reach devices on the ground. Tonga Eruption Triggered Massive 'Equatorial Plasma Bubble' 2023-06-06T04:00:00Z The waves can also travel thousands of kilometers around the globe by bouncing between the sea surface and charged particles in the lower ionosphere. Cosmic blast seared Earth’s atmosphere from 2 billion light-years away 2023-11-14T05:00:00Z At the start of the main phase of the storm, the source changed from solar wind dominated to ionosphere dominated. The importance of the Earth's atmosphere in creating the large storms that affect satellite communications 2023-10-30T04:00:00Z Reaching heights of 200 miles, these rockets will provide insight to changes in our ionosphere. A rare ‘ring of fire’ eclipse is coming. Here’s how to see it. 2023-10-02T04:00:00Z The ionized region of the atmosphere, or ionosphere, is most famous as the home of aurorae, which occur when charged particles from the Sun slam into atoms and cause them to light up. Earth’s upper atmosphere is a sensitive explosion detector 2023-05-12T04:00:00Z “The ionosphere observations show disturbances occurring ahead of the volcanic atmospheric waves,” says Charles Lin, an atmospheric scientist at National Cheng Kung University in Taiwan, who was not involved in the research. Tonga Eruption Triggered Massive 'Equatorial Plasma Bubble' 2023-06-06T04:00:00Z SuperSID can’t decrypt naval messages, but it can analyze changes in the shape and strength of passing VLF signals to gather information on the state of the lower ionosphere. Cosmic blast seared Earth’s atmosphere from 2 billion light-years away 2023-11-14T05:00:00Z "This shows that the geomagnetic storm drives more outflow from the Earth's ionosphere, and that the ionospheric plasma can move quickly throughout the magnetosphere." The importance of the Earth's atmosphere in creating the large storms that affect satellite communications 2023-10-30T04:00:00Z And anything below 30 megahertz is completely off-limits because it is absorbed in the ionosphere — the zone where Earth’s atmosphere meets space. Are Telescopes on the Moon Doomed? 2023-03-09T05:00:00Z But massive explosions burbling up from below can also disturb the ionosphere. Earth’s upper atmosphere is a sensitive explosion detector 2023-05-12T04:00:00Z "The first short-wave radio transmissions that could penetrate the ionosphere and leak to space were broadcasted in the 30's, less than 100 years ago," Wandel writes. Are we too primitive for aliens to bother with us? Some scientists think so 2022-12-21T05:00:00Z But the volcano had an even more powerful effect on the ionosphere, according to Claire Gasque, a doctoral candidate in space physics at the University of California at Berkeley. Tonga volcano eruption blasted millions of tons of water into space 2022-12-12T05:00:00Z Just as fish do not thrive in open air and sparrows don’t dwell in caves, humans could prove to be exclusively adapted to life within Earth’s ionosphere. Opinion | Artemis says, to the moon! But it might simply prove our human limits. 2022-11-25T05:00:00Z “It transferred that charge to the ionosphere,” the atmospheric layer about 50 to 400 miles above the Earth’s surface. ‘Gigantic jet’ lightning is a mystery. These researchers are solving it. 2022-08-03T04:00:00Z The team’s radar detectors were designed to measure the waves bouncing off the ionosphere’s E layer, a region 100 kilometers up. Earth’s upper atmosphere is a sensitive explosion detector 2023-05-12T04:00:00Z At around 100 km above the surface of Earth we have a layer of charged particles, called the ionosphere. College Physics for AP Courses 2015-08-12T00:00:00Z Among the shocking effects: A current known as the equatorial electrojet, which normally runs west to east in the ionosphere, reversed direction, she said. Tonga volcano eruption blasted millions of tons of water into space 2022-12-12T05:00:00Z The primary effect of the radiation was on a layer high in Earth’s atmosphere called the ionosphere. Astronomy 2016-10-13T00:00:00Z She said that her appreciation rose “to the ionosphere” after learning that the station was one of the few in North America to air it. Katherine Massey, Buffalo Shooting Victim, Wrote to Newspapers Calling for Gun Control 2022-05-16T04:00:00Z He says the ionosphere’s remoteness explains why the technique is only now showing its promise. Earth’s upper atmosphere is a sensitive explosion detector 2023-05-12T04:00:00Z The ionosphere is responsible for a range of phenomena including the electric field surrounding Earth. College Physics for AP Courses 2015-08-12T00:00:00Z They can also track changes in Earth’s ionosphere — the part of the atmosphere near space. Global science project links Android phones with satellites to improve weather forecasts 2022-03-26T04:00:00Z In the upper ionosphere, ultraviolet radiation from the Sun can strip electrons from their atoms, leaving the atmosphere ionized. Astronomy 2016-10-13T00:00:00Z The waves reached from the ocean surface to the ionosphere, and researchers think that they probably passed around the globe several times. Tonga Volcano Eruption Created Puzzling Ripples in Earth’s Atmosphere 2022-01-19T05:00:00Z He is planning to test the approach in different seasons, because the ionosphere shifts over the course of the year. Earth’s upper atmosphere is a sensitive explosion detector 2023-05-12T04:00:00Z To complete the circuit, the stationary ionosphere was to supply a return path for the current to flow. College Physics for AP Courses 2015-08-12T00:00:00Z Look at Amazon, which traced a similar straight-up trajectory; its ratio of stock price to earnings has narrowed to around 60 — still highly bullish, but down from the ionosphere. Opinion | Tesla and Elon Musk offer a case study in the billionaire tax’s complications 2021-10-26T04:00:00Z Many of the atoms are ionized by the loss of an electron, and this region is often called the ionosphere. Astronomy 2016-10-13T00:00:00Z Earth's ionosphere essentially absorbs any radio wavelengths over 10 meters long. Scientists say a telescope on the Moon could advance physics — and they're hoping to build one 2021-09-05T04:00:00Z This magnetosphere, in the region above the ionosphere, shields all life on Earth, and its atmosphere, from damaging solar winds and the corrosive effects of solar radiation. Analysis | Intelligent life probably exists on distant planets — even if we can’t make contact, astrophysicist says 2021-06-18T04:00:00Z Researchers thought radars might be able to spot missile trails left in the ionosphere, the upper part of the atmosphere where the Sun’s radiation ionizes air molecules. How the famed Arecibo telescope fell—and how it might rise again 2021-01-14T05:00:00Z “Nobody was supposed to know this had happened, but the event created a wave in the ionosphere—like an ocean wave—which went all the way around the Earth,” Dad says. Why the loss of an iconic radio telescope is painfully personal 2021-01-11T05:00:00Z Its structure consists of the troposphere, stratosphere, mesosphere, and ionosphere. Astronomy 2016-10-13T00:00:00Z Some facilities at the observatory would be preserved, they said, including a visitor center and a lidar, or laser radar, which is used to probe the atmosphere and ionosphere. Arecibo Observatory, a Great Eye on the Cosmos, Is Going Dark 2020-11-19T05:00:00Z South Africa has already been providing global networks with information about the ionosphere above the country in periodic batches, relying on satellite and ground data from international space weather programs. New Space Weather Network Extends over Africa 2020-11-19T05:00:00Z But little was known about the ionosphere at the time. How the famed Arecibo telescope fell—and how it might rise again 2021-01-14T05:00:00Z The observatory’s primary purpose was to search for signs of Cold War-era projectiles streaking through Earth’s ionosphere—a sheath of charged particles high above the Earth’s surface. Why the loss of an iconic radio telescope is painfully personal 2021-01-11T05:00:00Z When this bubble reaches Earth a few days after leaving the Sun, it heats the ionosphere, which expands and reaches farther into space. Astronomy 2016-10-13T00:00:00Z They are even thought to create giant bubbles of plasma in the ionosphere more than 200 kilometers up, halfway to the International Space Station, causing trouble for radio communications. Aircraft spies gravity waves being sucked into Antarctica’s polar vortex 2020-05-12T04:00:00Z Feeding into an upgraded space weather center scheduled to open in South Africa in 2022, the network will provide real-time data on how solar storms distort the ionosphere, the charged outer layer of Earth's atmosphere. New Space Weather Network Extends over Africa 2020-11-19T05:00:00Z That orbit will keep SunRISE well above the ionosphere, which blocks radio waves of the relevant frequencies from reaching Earth. NASA’s Next Solar Mission Will Use Six Spacecraft to Make One Giant Telescope 2020-04-01T04:00:00Z A sounding rocket will fly into the ionosphere—an atmospheric layer hundreds of kilometers up that’s awash in ions and electrons—and eject 1.5 kilograms of barium atoms. U.S. tests ways to sweep space clean of radiation after nuclear attack 2019-12-26T05:00:00Z Explain what the ionosphere is and how it interacts with some radio waves. Astronomy 2016-10-13T00:00:00Z Scientists have used GPS data to track changes in the ionosphere as tsunamis race across the ocean below. GPS Is Doing More Than You Thought 2019-10-30T04:00:00Z And it is becoming increasingly important to model the ionosphere's behavior, he says, because “we're getting more and more reliant on technologies that are reliant on space weather.” New Space Weather Network Extends over Africa 2020-11-19T05:00:00Z Changes in the ionosphere can disrupt communications grids on Earth. Satellite launch, climate protest and Alexei Leonov dies 2019-10-15T04:00:00Z Various satellites fly through the ionosphere, as well as astronauts on the International Space Station. After years of delays, NASA is finally poised to launch a satellite to better understand space weather 2019-10-09T04:00:00Z Third, the lack of an ionosphere would allow radio observatories to receive signals at very low frequencies, below the terrestrial cutoff of 10 kilohertz. The Moon as a Fishing Net for Extraterrestrial Life 2019-09-25T04:00:00Z GPS signals are also affected when they travel through the electrically charged part of the upper atmosphere, known as the ionosphere. GPS Is Doing More Than You Thought 2019-10-30T04:00:00Z Habarulema, researcher Daniel Okoh of Nigeria's National Space Research and Development Agency, and their colleagues developed a model last year that maps electron density in the ionosphere and fills in measurement gaps. New Space Weather Network Extends over Africa 2020-11-19T05:00:00Z The satellite will study the links between the electrically neutral lower part of Earth’s atmosphere and the electrically charged upper part, the ionosphere. Satellite launch, climate protest and Alexei Leonov dies 2019-10-15T04:00:00Z It will even measure how the atmosphere glows, which indicates how the ionosphere is moving in space. After years of delays, NASA is finally poised to launch a satellite to better understand space weather 2019-10-09T04:00:00Z "Under this scenario, the distinct field and plasma environment at Mars raises interesting questions about how these oscillations propagate through the magnetosphere and ionosphere and reach the surface." Bizarre magnetic pulses found on Mars: It 'raises interesting questions' 2019-09-23T04:00:00Z Vikram contains equipment for three experiments: one to study the Moon's ionosphere, one to study the temperature of the top 4 inches of the lunar surface and the other to study moonquakes. India's Chandrayaan-2 spacecraft set for historic lunar landing 2019-09-02T04:00:00Z Each was designed to bounce radio waves off the ionosphere, allowing federally produced programming to be transmitted all over the globe. 'Voice of America' exhibition is a fascinating look at early shortwave radio 2019-07-30T04:00:00Z Its four instruments will probe the region from about 90 kilometres to 580 kilometres above Earth’s surface, measuring the ionosphere’s density, structure and composition. Satellite launch, climate protest and Alexei Leonov dies 2019-10-15T04:00:00Z At those frequencies, the ionosphere, a layer containing charged particles high in the atmosphere, can refract, disperse, or completely block radio waves. Could humanity’s return to the moon spark a new age of lunar telescopes? 2019-07-18T04:00:00Z In an early study for the Navy, Jason devised a communications system for nuclear submarines, first called Bassoon, that bounced low-frequency radio signals off the ionosphere and into the oceans. Jason—a secretive group of Cold War science advisers—is fighting to survive in the 21st century 2019-06-27T04:00:00Z It flew through a sublayer known as the ionosphere, where charged particles create such otherworldly phenomena as the aurora borealis. Editorials from around New England 2018-12-21T05:00:00Z By combing through archival data, Scott discovered that shock waves from the bombs briefly weakened the ionosphere, the outermost layer of Earth’s atmosphere. Shockwaves from World War II Bombs Felt at Edge of Space 2018-09-28T04:00:00Z This caused a small but significant depletion in the ionosphere above Slough, even though the bombs were deployed hundreds of miles away. World War II bombs 'felt in space' 2018-09-26T04:00:00Z The needles were meant to enable radio communications if high-altitude nuclear testing were to wipe out the ionosphere, the atmospheric layer that reflects radio waves over long distances. The quest to conquer Earth’s space junk problem 2018-09-04T04:00:00Z Radio towers send their signals dozens or hundreds of miles by bouncing them off the ionosphere, which wouldn’t be necessary if Earth were flat. Looking for Life on a Flat Earth 2018-05-30T04:00:00Z A brief, aurora-like expanding halo in the ionosphere, they occur too quickly to be spotted by the human eye and last less than a millisecond. Hunting mystery lightning from space 2018-04-06T04:00:00Z “The ionosphere is largely controlled by solar radiation,” he told Live Science. Shockwaves from World War II Bombs Felt at Edge of Space 2018-09-28T04:00:00Z From above, the instrument will be studying the composition and temperature of the ionosphere in response to the Sun’s actions. For the first time, a NASA mission to study space weather will live on a commercial satellite 2018-01-16T05:00:00Z The charged particles in the ionosphere reflect radio waves, supporting our communications systems. August Solar Eclipse Created Boat-Like Ripples in Earth's Atmosphere 2017-12-26T05:00:00Z These rings affect the way the ionosphere is charged, researchers report today in Science. Watch rain and shadows from Saturn’s rings give the planet a funky ionosphere 2017-12-11T05:00:00Z In the same patient and meticulous manner that Alsup explained the ionosphere to me, he explained software to the Federal Circuit in his Oracle opinion. How the judge on Oracle v. Google taught himself to code 2017-10-19T04:00:00Z More modern technologies, such as GPS, are affected by disturbances in the ionosphere. Shockwaves from World War II Bombs Felt at Edge of Space 2018-09-28T04:00:00Z The antenna is used for planetary radar, and it’s one of the main instruments used to study a part of Earth’s atmosphere called the ionosphere. How Puerto Rico is trying to recover from Hurricane Maria's devastation 2017-09-26T04:00:00Z Instead, the study authors write, the importance of the research is that it "reveals complex interconnections between the sun, moon, and Earth's neutral atmosphere and ionosphere," a relationship scientists are still working to understand. August Solar Eclipse Created Boat-Like Ripples in Earth's Atmosphere 2017-12-26T05:00:00Z “NSF has to look for the least painful thing to cut,” says Herbert Carlson, a space scientist at Utah State University in Logan who uses Arecibo to study the ionosphere. Hurricane damage threatens Arecibo Observatory’s future 2017-09-26T04:00:00Z The interview turned into an impromptu physics tutorial as he patiently explained the solar flux, K-index, and the ionosphere to me. How the judge on Oracle v. Google taught himself to code 2017-10-19T04:00:00Z “This study lends strong support to the suggestion that events on the ground which generate any kind of shock wave or strong impulses should be able to be felt in the ionosphere,” Mueller-Wodargtold Live Science. Shockwaves from World War II Bombs Felt at Edge of Space 2018-09-28T04:00:00Z In 1902, Heaviside theorized — at the same time as US engineer Arthur Kennelly — that radio waves propagated around the world because they bounced off a layer of charged gas particles in the ionosphere. Engineering: Reclusive genius who connected the world : Nature : Nature Research 2017-09-12T04:00:00Z They will use inputs from observers across the country to monitor changes in the ionosphere. Professor to use sky as a laboratory during solar eclipse 2017-08-20T04:00:00Z Launched by the Soviet Union on April 19, 1975, it gathered information on the Earth’s ionosphere and studied bursts of gamma rays produced by the sun. With satellites built in a shed, this physicist brought India into the Space Age 2017-08-14T04:00:00Z The eclipse will provide an opportunity for researchers to investigate how the ionosphere reacts to cosmic disturbances. Scientists to Take Flight for Longer Views of the Eclipse 2017-08-14T04:00:00Z The launch tested a new system that helps studies of the ionosphere and aurora. NASA Launches Rocket from Wallops, Creates Colorful Clouds 2017-06-29T04:00:00Z Scientists want to learn more about how the ionosphere interacts with other layers of the atmosphere. NASA experiment to color the skies over the U.S. East Coast 2017-06-11T04:00:00Z These events disturb the air around them so violently that they send acoustic and gravity waves up to the ionosphere where they perturb electrons. Europe's Galileo satellites herald new era for Earth science 2016-12-14T05:00:00Z He focused on the physics of the ionosphere, the layer of free electrons and ions that starts some 60 kilometres above Earth and is important for propagating radio waves. Ralph J. Cicerone (1943-2016) : Nature : Nature Research 2016-12-13T05:00:00Z It will shut off the sun and create a disturbance that the ionosphere does not normally experience. Scientists to Take Flight for Longer Views of the Eclipse 2017-08-14T04:00:00Z Ham radio frequencies operate by bouncing signals off layers in the ionosphere, which must be charged up by solar radiation to work most efficiently. Ham radio operators have annual Field Day 2016-07-09T04:00:00Z At other times, they are “almost like fireworks going off in the ionosphere of Jupiter,” said Jonathan Nichols, a University of Leicester scientist who is leading the Hubble study. All Eyes on Jupiter 2016-06-30T04:00:00Z One possibility, frequently cited by critics, is that these precursors are simply coincidences arising from the fact that Earth and its ionosphere are fairly noisy places, geomagnetically speaking. Can electric signals in Earth’s atmosphere predict earthquakes? 2015-12-21T05:00:00Z The agency uses luminescent chemicals like barium to better visualize and track clouds of these particles as they get moved around in the ionosphere by the Earth's magnetic field. NASA is putting on a colorful light show in the sky tonight 2015-10-07T04:00:00Z She seemed to have crossed over an invisible threshold: from a normal, local human being into some kind of globalized fame cloud whooshing around the ionosphere. Ellen Page Goes Off-Script 2015-10-01T04:00:00Z “It’s interesting how the signal changes, how the ionosphere changes and unchanges,” Griffin said. Ham radio operators have annual Field Day 2016-07-09T04:00:00Z It sought to understand turbulent bubbles in the ionosphere by observing how radio waves from ground radar stations scattered off the bubbles into space. Feature: CubeSats are swarming—and transforming space science 2015-04-09T04:00:00Z White Sands officials said the rocket’s release of vapor into the near-vacuum of space was intended to help study processes responsible for the formation of the Earth’s ionosphere. Pink cloud visible in Arizona after New Mexico rocket launch 2015-02-25T05:00:00Z White Sands officials said the rocket's release of vapor into the near-vacuum of space was intended to help study processes responsible for the formation of the Earth's ionosphere. Pink cloud visible in Arizona after New Mexico rocket launch 2015-02-25T05:00:00Z The ionosphere, a protective layer of ions and electrons, should normally act as a shield to the solar wind. Mars and comets: a brief summary of this week's sweetest space news 2014-12-17T05:00:00Z Magnesium, iron and other metals carried by the comet hit the planet's ionosphere and began glowing, says Schneider. Strange comet behaviour puzzles researchers 2014-11-12T05:00:00Z In January, ExoCube launched with a mass spectrometer, the first ever on a CubeSat, designed to measure the composition of the exosphere and ionosphere. Feature: CubeSats are swarming—and transforming space science 2015-04-09T04:00:00Z A lander magnetometer will measure magnetic disturbances caused by the Martian ionosphere. NASA's Next Mars Lander Will Peer Deep into Planet's History 2014-08-18T04:00:00Z Those signals are reflected back and then examined to study how the ionosphere affected the signals. Military shutting down facility targeted by conspiracy theorists 2014-05-24T04:00:00Z It launched in 2011 and for 18 months measured ionosphere turbulence caused by solar storms. Mini satellites prove their scientific power 2014-04-16T17:20:53.039Z Using the smallest wavelengths in the radio spectrum, it uses a technique called skywave or skip propagation to bounce radio waves off of the Earth’s ionosphere, allowing them to propagate across the world. How to make music (and money) from shortwave radio 2014-03-31T23:09:00Z The focus of the satellite is to deliver payloads that will study the ionosphere, solar irradiances, and plasma energies. Orbital Sciences Will Launch A Satellite Designed And Built By High School Students 2013-11-14T06:15:00Z Once the sun goes down, AM signals bounce off the ionosphere and reflect back down to earth hundreds of miles from where they originated. A Quest to Save AM Before It’s Lost in the Static 2013-09-09T02:59:30Z “The main effect of ring rain is that it acts to ‘quench’ the ionosphere of Saturn, severely reducing the electron densities in regions in which it falls,” Mr. O’Donoghue said in a news release. The Week: Language on Twitter, Saturn’s ‘Ring Rain’ and More 2013-04-15T20:33:56Z These broadcasts will likely be degraded, even lost, said the panel for one to three days because of disturbances in the ionosphere. UK 'can cope with solar superstorm' 2013-02-07T02:17:28Z That effect—known as a traveling ionospheric disturbance, or TID—should theoretically be detectable with technologies that are sensitive to changes in the ionosphere, such as global satellite networks and radio telescopes. Satellites Could Detect Nuclear Tests 2012-12-05T01:25:00Z One idea presented at the Princeton workshop was to investigate Earth’s aurora and ionosphere by observing the edge of Earth from a vantage point within the orbit of the Moon. The telescopes that came in from the cold 2012-10-03T18:21:21.853Z The ionosphere is the last, thinnest part of the atmosphere, where solar ultraviolet radiation breaks up molecules and leaves a haze of electrons and ions. Fukushima quake, tsunami disturbed upper atmosphere: NASA 2012-05-30T19:33:52Z Both effects are incredibly subtle, requiring highly sensitive equipment to record it, and they're orders of magnitude less powerful than the effects of ordinary solar weather that constantly bombards the ionosphere. Off the Beam: Did a U.S. Radar Research Station Disable Russia's Phobos Probe? 2011-12-14T12:15:00.207Z The pips and the signals were bright and clear, coming through the ionosphere, the Heaviside layer as they had been designed to do. Progress Report 2011-07-29T02:00:31.957Z A nuclear explosion—even when detonated underground—sends up a giant electromagnetic pulse that ripples through Earth's ionosphere. Satellites Could Detect Nuclear Tests 2012-12-05T01:25:00Z As a graduate student in the Cavendish Laboratory, he researched the propagation of radio waves in the ionosphere, gaining his PhD in 1938. Sir Maurice Wilkes: obituary 2010-11-30T18:00:00Z A colleague persuaded him to pursue this interest at Cornell University, where he researched how radar signals behave in the uppermost part of Earth’s atmosphere, the ionosphere. W. E. Gordon, Creator of Link to Deep Space, Dies at 92 2010-02-27T17:28:00Z Rodionov was quoted saying the U.S. wants to use the ionosphere as part of its missile defense, although he did not elaborate. Off the Beam: Did a U.S. Radar Research Station Disable Russia's Phobos Probe? 2011-12-14T12:15:00.207Z Following PhD work on the propagation of radio waves in the ionosphere, Sir Maurice had been invited to a training course at TRE. 2010-02-04T13:57:00Z Hundred and twenty-five kilometers, lower part of ionosphere, up plus one hundred and fifty—and then on up where it was somewhere around a thousand degrees, and who cared? By Earthlight The wings were still useless here in the ionosphere. Fly By Night We had assumed that we would pick up signals of some type as soon as we had passed down through the unfamiliar planet's ionosphere. Lost in the Future When the job was done, he went to the main control room and set the autopilot to lift the spaceship high into the ionosphere. The Judas Valley They struck the Earth's ionosphere, and their numbers diminished. Out Like a Light Its landing grid reared skyward and tapped the planet's ionosphere for power with which to hoist ships to clear space and pluck down others from emptiness. The Pirates of Ersatz And, since there was no ozonosphere to block out the UV radiation from the primary, the thickness of the ionosphere beneath the plasmasphere was greater. Unwise Child Without the landing grid and the power it took from the ionosphere, they could not receive supplies from the rest of the universe. Sand Doom They struck the earth's ionosphere, and their numbers diminished. The Impossibles Well, I suppose the atmosphere is oxygen and nitrogen, mostly; then there's the ionosphere and the ozone layer. The Sky Is Falling Extensive reports on the condition 176 of the ionosphere poured into headquarters. Tom Swift and The Visitor from Planet X But when she hit the outer fringes of the ionosphere—that upper layer of rarified protons, the rapidly moving current of high velocity ions known as the plasmasphere—she bucked like a kicked horse. Unwise Child Then we were able to modify that to heave sand and to let it tap the ionosphere. Sand Doom The latter contact was a world distance record via the F-regions of the ionosphere because of the extra distance involved owing to the locations of the two Greek stations, as mentioned in the previous paragraph. The Dawn of Amateur Radio in the U.K. and Greece: a personal view Over-the-horizon HF radars use the ionosphere as a kind of mirror to "see" around the curvature of the earth. The Dawn of Amateur Radio in the U.K. and Greece: a personal view It measures the ionosphere height continuously and instantly selects the most appropriate frequency to use to scan the target area, ideally in one hop. The Dawn of Amateur Radio in the U.K. and Greece: a personal view It was not the intensity of the ionosphere that cracked the drive of the Brainchild; it was the duration. Unwise Child Once real-time data are matched to a model of the ionosphere, the model can be used to operate the system for the best results, based on the prevailing propagation conditions. The Dawn of Amateur Radio in the U.K. and Greece: a personal view From the early 1950s pulsed oblique ionosphere sounders had shown that the normal ionosphere is much more stable than had previously been thought to be. The Dawn of Amateur Radio in the U.K. and Greece: a personal view |
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