搜索结果: 1-15 共查到“天文学 cosmic”相关记录164条 . 查询时间(0.093 秒)
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Early findings from HERA telescope promise deeper understanding of the cosmic dawn(图)
HERA望远镜 宇宙黎明 恒星
2023/6/9
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Fast Radio Bursts ‘Twists And Shouts’ Help Scientists Determine Source Of Cosmic Blasts
Fast Radio Bursts Twists Shouts Scientists Cosmic Blasts
2018/1/31
An international group of astronomers has found that the Cornell University-discovered fast radio burst FRB 121102 – a brief, gigantic pulse of radio waves from 3 billion light years away – passes thr...
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Gargantua in the Mist:A Precocious Black Hole Behemoth at the Edge of Cosmic Dawn(图)
Gargantua in the Mist Precocious Black Hole Behemoth Edge of Cosmic Dawn
2017/12/19
Supermassive black holes lurk at the centers of many galaxies. While some — like the black hole at the center of our own Galaxy — live quiet lives, occasionally snacking on a star or two, others feed ...
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The recent observation of gravitational waves and light produced by colliding neutron stars didn't just provide scientists with a transformative look at a rare cosmic event -- it provided an important...
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Observatory Detects Extragalactic Cosmic Rays Hitting The Earth(图)
Observatory Detects Extragalactic Cosmic Rays Hitting Earth
2017/10/24
Fifty years ago, scientists discovered that the Earth is occasionally hit by cosmic rays of enormous energies. Since then, they have argued about the source of those ultra-high-energy cosmic rays—whet...
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Study Confirms Cosmic Rays Have Extragalactic Origins(图)
Cosmic Rays Extragalactic Origins
2017/10/24
In an article to be published Sept. 22 in the journal Science, a group of more than 400 scientists from 18 nations describe how they detected an anisotropy, an asymmetry in the cosmic particles’ distr...
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Cosmic Magnifying Lens Reveals Inner Jets of Black Holes(图)
Cosmic Magnifying Lens Inner Jets Black Holes
2017/9/5
"We have known about the existence of these clumps of material streaming along black hole jets, and that they move close to the speed of light, but not much is known about their internal structure or ...
A cosmic barbecue:Researchers spot 60 new ‘hot Jupiter’ candidates
A cosmic barbecue Researchers 60 new hot Jupiter candidates
2017/7/24
Yale researchers have identified 60 potential new “hot Jupiters” — highly irradiated worlds that glow like coals on a barbecue grill and are found orbiting only 1% of Sun-like stars.Hot Jupiters const...
Mysterious cosmic explosion surprises astronomers studying the distant x-ray universe
cosmic explosion astronomers distant x-ray universe
2017/4/27
A mysterious flash of X-rays has been discovered by NASA’s Chandra X-ray Observatory in the deepest X-ray image ever obtained. This source likely comes from some sort of destructive event, but it may ...
Astronomers have found an enormous, glowing blob of gas in the distant universe, with no obvious source of power for the light it is emitting. Called an "enormous Lyman-alpha nebula" (ELAN), it is the...
New Caltech Instrument Poised to Image the Cosmic Web
New Caltech Instrument Poised Image Cosmic Web
2017/2/16
An instrument designed to image the vast web of gas that connects galaxies in the universe shipped early this morning, Jan. 12, from Los Angeles to Hawaii, where it will be integrated into the W. M. K...
"Cosmic Whistle" Packs a Surprisingly Energetic Punch
Cosmic Whistle Surprisingly Energetic Punch
2016/11/29
Penn State University astronomers have discovered that the mysterious "cosmic whistles" known as fast radio bursts can pack a serious punch, in some cases releasing a billion times more energy in gamm...
Physicists Leapfrog Accelerators with Ultrahigh Energy Cosmic Rays
Physicists Accelerators Ultrahigh Energy Cosmic Rays
2016/11/4
An international team of physicists has developed a pioneering approach to using Ultrahigh Energy Cosmic Rays (UHECRs)—the highest energy particles in nature since the Big Bang—to study particle inter...