| 单词 | optical telescope |
| 例句 | The surface of the space rock, named 2005 YU55, appears to be as reflective as charcoal, which will make it difficult to see even with an optical telescope. 1,300-foot asteroid to pass near Earth 2011-11-08T07:06:00Z The biggest optical telescope ever built, it will take pictures of Earth-like worlds around others stars and look for signs of life in their atmospheres. A giant European telescope rises as U.S. rivals await rescue 2023-10-17T04:00:00Z However, instead of creating waves that can be seen by the human eye or optical telescopes, the shockwaves that are produced from gravitational energy merging are called gravitational waves. Scientists 'hear' gravitational wave hum 2023-06-29T04:00:00Z They alerted other astronomers, who pointed optical telescopes at the spot and, for the first time, saw a kilonova’s light. Gravitational-Wave Search Resumes after Three Years and Lots of Headaches 2023-05-23T04:00:00Z These facilities will be a huge improvement on our current largest optical telescopes like the Keck Observatories in Hawaii, which are around 10 meters in diameter. JWST’s Exoplanet Images Are Just the Beginning of Astrobiology’s Future 2023-05-11T04:00:00Z The site hosts hosts the military’s largest optical telescope, which tracks satellites. Space Force vows ‘above and beyond’ cleanup of Maui spill 2023-02-07T05:00:00Z The Maui Space Surveillance Complex hosts the military’s largest optical telescope, designed for tracking satellites. Diesel fuel spilled at Space Force telescope site in Hawaii 2023-02-01T05:00:00Z To track orbital debris, the Pentagon and commercial companies rely on a network of ground-based radar and optical telescopes. Space Dodgers Unlike optical telescopes, planetary radar can discern the two asteroids as distinct objects, allowing astronomers to view their respective positions and estimate Dimorphos’s orbit time around Didymos. DART’s Smashing Success Shows Humanity Can Divert Asteroids 2022-10-12T04:00:00Z As soon as DART’s task is complete, astronomers using radar and optical telescopes will get to work observing the asteroids from Earth. NASA set to ram distant asteroid in bid to avoid future catastrophes on Earth 2022-09-24T04:00:00Z Advances in radio technology during World War II allowed scientists in the 1950s to probe deeper into the universe than they could with traditional optical telescopes. Maarten Schmidt, First Astronomer to Identify a Quasar, Dies at 92 2022-09-22T04:00:00Z The earliest telescopes, developed in the seventeenth century, were optical telescopes, collecting visible light. College Physics for AP Courses 2015-08-12T00:00:00Z Infrared light, which is essentially heat, penetrates through dust clouds, allowing the James Webb Space Telescope to peer into regions of space that are obscured to optical telescopes, such as Hubble. The Webb Telescope Captures a Stunning View of the Cartwheel Galaxy 2022-08-04T04:00:00Z The first challenge is dust: Clouds of dust around the galactic center make observations with optical telescopes impossible. Shadow of Milky Way’s giant black hole revealed by astronomers 2022-05-12T04:00:00Z He adds it’s concerning that two other giant optical telescopes, Europe’s Very Large Telescope in Chile and the Large Binocular Telescope Observatory in Arizona, see nothing at the location. Jupiter-size exoplanet caught in the act of being born 2022-04-03T04:00:00Z The alignment will take an additional three months, Lee Feinberg, the Webb optical telescope element manager at Goddard, told Reuters by telephone. NASA begins process of bringing new space telescope into focus 2022-01-13T05:00:00Z Our best hope for tracking this material comes from a mixture of different sensors — from ground-based radar stations to optical telescopes. Visualizations show the extensive cloud of debris Russia’s anti-satellite test created 2021-11-19T05:00:00Z In some merging galaxies, more than 90 percent of the total power output occurs at far-infrared wavelengths—their true natures are completely hidden from optical telescopes. Galaxy Collisions Preview Milky Way’s Fate 2021-11-16T05:00:00Z The first would be an optical telescope bigger than the Hubble Space Telescope and capable of finding and studying Earthlike planets — potentially habitable “exo-Earths” — in the nearby cosmos. A New 10-Year Plan for the Cosmos 2021-11-04T04:00:00Z The Thirty Meter Telescope would be one of the world’s largest optical telescopes. Anti-telescope protesters oppose US attorney pick for Hawaii 2021-10-26T04:00:00Z The astrophysicist spent 13 years surmounting obstacles to help put the world-class optical telescope on a sound technical footing, including obtaining its primary mirror from Germany. Iranian astronomers fear their ambitious observatory could become a ‘Third World telescope’ 2021-07-12T04:00:00Z Then, using optical telescopes, they determined the distance to this galaxy – approximately 3 billion light-years away from Earth. 535 new fast radio bursts help answer deep questions about the universe 2021-06-26T04:00:00Z Combining light from far-flung optical telescopes is far more challenging. New internet woven from ‘spooky’ quantum links could supercharge science and commerce 2021-06-03T04:00:00Z Follow-up observations with gamma ray and optical telescopes of the resulting kilonova revealed the spectral signature of large quantities of r-process elements in the blast debris. Trace seabed plutonium points to stellar forges of heavy elements 2021-05-13T04:00:00Z To send a quantum-encrypted communication over long distances without a fiber-optic connection, we must transmit laser light from an optical telescope on the ground to a receiving telescope on a satellite and back again. Adaptive Optics Branches Out 2021-04-30T04:00:00Z That may be set to change as astronomers turn to quantum physicists for help to start connecting optical telescopes that are tens, even hundreds, of kilometers away from one another. Quantum Astronomy Could Create Telescopes Hundreds of Kilometers Wide 2021-04-19T04:00:00Z If built, the Thirty Meter Telescope would be one of the world’s largest optical telescopes. Lawmakers want new management for Hawaii’s tallest mountain 2021-02-02T05:00:00Z But quasars are faint specks at those wavelengths, and optical telescopes peering through Earth’s blurry atmosphere struggled to match the precision of radio arrays. Precise maps of millions of bright quasars show our place in the cosmos as never before 2020-11-24T05:00:00Z Future optical telescopes might reveal the glow of a city’s lights or its infrared warmth. How big money is powering a massive hunt for alien intelligence 2020-09-10T04:00:00Z This system, now called adaptive optics, is a feature of most large optical telescopes. Freeman Dyson (1923–2020) 2020-03-11T04:00:00Z Despite its modest $34 million price tag, DAG will be one of Asia’s largest optical telescopes and Turkey’s largest science project. ‘We put everything into it.’ Modest telescope could have big impact on Turkish science 2020-03-04T05:00:00Z Some even envisage building giant optical telescopes, larger than any on Earth, that could not just find Earth-like exoplanets, but see features on their surfaces. Could humanity’s return to the moon spark a new age of lunar telescopes? 2019-07-18T04:00:00Z Now, the country's biggest optical telescope is a 4-meter facility near Beijing that has not lived up to expectations. China’s ambitious telescopes rise in the thin air of the Tibetan Plateau 2019-04-25T04:00:00Z Placed into orbit from a manned Discovery shuttle and named for the pioneering American astronomer Edwin Hubble, it became the first large optical telescope in space. Nancy Roman, ‘Mother of the Hubble’ Telescope, Dies at 93 2018-12-30T05:00:00Z China announced in 2016 it would build its own optical telescope with a field of view 300 times greater than that of Hubble. As NASA’s prized telescopes falter, astronomers fear losing their eyes in space 2018-10-18T04:00:00Z From the mid-2020s, its 39-metre-diameter mirror will collect more than ten times as much light as the largest optical telescopes today. Billion-dollar telescopes could end up beyond the reach of US astronomers 2018-08-19T04:00:00Z Euclid is an old-fashioned optical telescope, not a microwave detector, which makes it a technically different kind of mission requiring different skills. Big Bang telescope finale marks end of an era in cosmology 2018-07-19T04:00:00Z But over the next few years, nine more identical telescopes will join it on the grassy, 3200-meter summit, forming a Y-shaped array that will surpass any other optical telescope in its eye for detail. Telescope array will spy on spy satellites, star surfaces and black holes 2018-07-03T04:00:00Z When it goes on line in 2024, it will be the largest optical telescope in the world. Extremely Large, Extremely Expensive: The Race for the Next Giant Telescopes 2018-06-11T04:00:00Z The Webb is composed of two main components — the optical telescope and science payload and the sun shield and spacecraft bus. Launch of James Webb Space Telescope, massive successor to Hubble, delayed to 2020 2018-03-28T04:00:00Z Larger optical telescope mirrors, a bigger array of radio antennas and more-powerful computers are necessary to catch and process more photons. Billion-dollar telescopes could end up beyond the reach of US astronomers 2018-08-19T04:00:00Z A tall order, given that currently the world’s largest optical telescopes are around 10 meters in diameter, although the so-called European Extremely Large Telescope now under construction in Chile will weigh in at 39 meters. Exoplanet Everests May Be Detectable When Giant Telescopes Come Online 2018-03-06T05:00:00Z Catadioptric systems form the basis of optical telescopes, microscopes, and telephoto lenses. Apple smart glasses patent details a lighter, comfier head-mounted display 2018-02-09T05:00:00Z It will be China’s largest optical telescope and serve as the workhorse observational facility for several generations. Spat over design of new Chinese telescope goes public 2017-08-11T04:00:00Z There are also plans for a $730-million optical telescope to orbit near the space station. China’s quest to become a space science superpower 2017-07-25T04:00:00Z Construction began in Chile on Friday on the European Extremely Large Telescope, which when completed will be the world's largest optical telescope, some five times larger than the top observing instruments in use today. Construction begins on world's largest telescope in Chilean desert 2017-05-26T04:00:00Z For an instrument designed to study millimetre-length radiation, you will need a telescope that is hundreds of times larger than a normal optical telescope, which gathers radiation of a much shorter wavelength. Edge of darkness: looking into the black hole at the heart of the Milky Way 2017-02-26T05:00:00Z Next, scientists at the Gemini Observatory in Hawaii trained their optical telescope on the speck nailed down by Chatterjee. Mysterious radio burst came from a galaxy 2.5 billion light years away, astronomers discover 2017-01-04T05:00:00Z Astronomers use radio telescopes to probe phenomena such as star formation by observing gas and dust clouds that are too distant and/or too faint to be see by infrared or optical telescopes. Week in Geek - Hubble redux edition 2016-09-25T04:00:00Z Despite its size, the resolution will at best be several times worse than that of the human eye, and 400 times worse than the image quality routinely achieved by ground-based optical telescopes. China Builds World's Largest Radio Telescope 2016-07-11T04:00:00Z They’re also emitted by “dark” objects — like black holes — that don’t emit light and are therefore difficult to study with optical telescopes. For the second time ever, scientists detected gravitational waves from colliding black holes 2016-06-15T04:00:00Z Shared by a consortium of partners from South Africa, India, America and Europe, SALT’s queuing system allows it to interrupt routine observations and within minutes focus its 10-metre optical telescope on new discoveries, said Williams. Africa's giant eye in the sky proving worth its SALT 2016-04-30T04:00:00Z The Australian Telescope Compact Array pinpointed the location of the burst, and the National Astronomical Observatory of Japan’s 8.2-metre Subaru optical telescope found a galaxy there, some 6 billion light years away. Milky weigh? Astronomers find new method for weighing the universe 2016-02-24T05:00:00Z NSF funded adaptive optics research to build optical telescopes with much improved "eyesight." Expanding Einstein's Vision 2016-02-16T05:00:00Z Not surprisingly, the sky at these long wavelengths looks vastly different which is exactly why observations at radio wavelengths reveal information that is not accessible with optical telescopes. China Builds World's Largest Radio Telescope 2016-07-11T04:00:00Z All told, it cost roughly $500 million — far less than the next generation of optical telescopes under construction around the globe. The 40,000-Mile Volcano 2016-01-12T05:00:00Z In the wake of the event, Japanese scientists launched a worldwide effort to turn optical telescopes towards the black hole. Visible light from black holes detected for first time 2016-01-06T05:00:00Z Through optical telescopes, the first known radio galaxy, Cygnus A, looked like two galaxies colliding. Why Colliding Galaxies Never Go out of Style 2015-10-15T04:00:00Z He cites as “a point of pride” for his country the $30 million Iranian National Observatory, a world-class, 3.4-meter optical telescope that is expected to see first light in 4 or 5 years. Q&A: Iran’s top science official strives for a Silicon Valley spirit 2015-10-02T04:00:00Z It would be one of the world’s largest optical telescopes. NSF should help build massive telescope in Hawaii, says senior appropriator 2015-05-14T04:00:00Z But astronomers, many of whom were trained at Max's centre, have now retrofitted the technology onto every optical telescope for which it makes sense. Astronomy: Laser focus 2015-01-20T05:00:00Z It is one of the largest optical telescopes in the world. Caltech president Marvin Goldberger dies at 92 2014-11-28T05:00:00Z The Space Fence will replace the current system, Space Surveillance Network, a worldwide network of 25 space surveillance sensors — radar and optical telescopes. Lockheed's 'Space Fence' surveillance system to track cosmic debris 2014-07-05T04:00:00Z To find IC 10's companion galaxy, Nidever and his colleagues are using optical telescopes to hunt for stars in the newfound gaseous strand. The Galaxy Collision Next Door 2013-11-22T17:15:00.440Z It’s been being observed from Australia for the last several weeks with optical telescopes.” Another Close Shave: Asteroid 1998 QE2 Flyby Highlights Need For Aggressive Radar Astronomy 2013-05-31T06:18:41Z On clear, moonless evenings, most of the biggest optical telescopes around the world begin the night's observations by firing a golden laser beam at the sky. Astronomy: Laser focus 2015-01-20T05:00:00Z Among other jobs, he serves as vice-chairman for the board of the Thirty Meter Telescope, which will be the world's largest optical telescope when it is completed in the early 2020s on Mauna Kea, Hawaii. Voyager: Outward bound 2013-05-22T17:20:35.240Z Each month, the Belgian centre collates sunspot numbers from about 90 observers, two-thirds of them amateurs, who use small optical telescopes no more powerful than those available 200 years ago. Long-term research: Slow science 2013-03-20T18:20:31.753Z The California Institute of Technology, working with the University of California, will build the world’s biggest optical telescope on the volcano’s crest; construction could begin as early as 1986. Today in Tech History: Revolving Doormat 2013-01-21T08:10:00Z The Siding Spring Observatory, located high in a remote area, is home to Australia's largest optical telescope, the 3.9m diameter Anglo-Australian Telescope, as well as several others. Bushfire damages NSW observatory 2013-01-14T05:25:41Z The United States and Australia are also working to move to Australia an advanced optical telescope, known as the Space Surveillance Telescope, developed by the Pentagon's Defense Advanced Research Projects Agency, or DARPA. U.S. to station space radar in Australia 2012-11-14T11:12:47Z The large mirror on the ELT, made up from nearly 800 hexagonal segments, will gather 12 times more light than the largest optical telescopes operating today. Green light for world's biggest optical telescope 2012-06-11T22:48:30Z The Sloan Digital Sky Survey collects image data from an optical telescope in New Mexico. New U.S. Research Will Aim at Flood of Digital Data 2012-03-29T04:13:02Z Keck Foundation, will have an innovative mirror system nearly 400 in. in diameter, which is twice the width and has four times the light-gathering capacity of today’s reigning optical telescope, the 200-in. Today in Tech History: Revolving Doormat 2013-01-21T08:10:00Z The next generation of ground-based optical telescopes, due to begin operation later this decade, will bring hundreds more galaxies within range for such studies. Future Studies Will Extend Census of Middleweight Black Holes 2012-01-12T13:45:05.237Z Atmospheric researchers conduct site testing in the Canadian high Arctic in preparation for installation of a 0.5-meter robotic optical telescope. Move Over, Santa, Here Come the Astronomers 2012-01-05T20:44:08Z The SKA has ample support in Europe, but sentiment is mixed among US astronomers; some suggest that a large optical telescope should be the priority. Australia: Astronomy in the outback 2011-08-10T17:20:44.080Z Today's technology allows scientists to receive radio signals at millions of different frequencies per minute, in addition to searching for laser-like bursts of light communication using optical telescopes. Observatories on 5 continents to scan skies for extraterrestrial life 2010-11-07T00:20:00Z And since many telescopes now can be operated remotely, even astronomers working with optical telescopes now do much of their work during the day shift. Did You Hear the One About the Former Scientist? 2009-12-16T07:04:00Z The E-ELT will thus be able to gather 15 times more light than the largest optical telescopes operating today. Site chosen for super-telescope 2010-04-26T20:47:00Z Another researcher said that while optical telescopes were very powerful in their own right for calculating the orbits of Neos, asteroids might appear unresolved in optical images due to their small size. Cuts cast doubt on asteroid plan 2010-03-25T12:37:00Z Even electron telescopes on the ground—and electron-telescopes were ultimately optical telescopes with electronic amplification—even electron telescopes on the ground could not get a good image of the ship through sunlit atmosphere. Pariah Planet The S-Regions are invisible to the eye through an optical telescope, but are detected with ease by a radio telescope. Disturbing Sun Even electron telescopes on the ground—and electron telescopes were ultimately optical telescopes with electronic amplification—could not get a good image of the ship through sunlit atmosphere. This World Is Taboo |
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