搜索结果: 1-15 共查到“国际动态 天体物理学其他学科”相关记录123条 . 查询时间(2.218 秒)
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Three Types Of Extreme-Energy Space Particles May Have Unified Origin(图)
Three Types Extreme-Energy Space Particles Unified Origin
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2018/2/1
One of the biggest mysteries in astroparticle physics has been the origins of ultrahigh-energy cosmic rays, very high-energy neutrinos, and high-energy gamma rays. Now, a new theoretical model reveals...
Fast Radio Bursts ‘Twists And Shouts’ Help Scientists Determine Source Of Cosmic Blasts
Fast Radio Bursts Twists Shouts Scientists Cosmic Blasts
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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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Supermassive Black Holes Control Star Formation In Large Galaxies(图)
Supermassive Black Holes Control Star Formation Large Galaxies
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2018/1/10
Young galaxies blaze with bright new stars forming at a rapid rate, but star formation eventually shuts down as a galaxy evolves. A new study, published January 1, 2018, in Nature, shows that the mass...
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Radio Observations Point to Likely Explanation for Neutron-Star Merger Phenomena(图)
Radio Observations Point Likely Explanation Neutron-Star Merger
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2018/1/10
Three months of observations with the National Science Foundation’s Karl G. Jansky Very Large Array (VLA) have allowed astronomers to zero in on the most likely explanation for what happened in the af...
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Six-Decade-Old Space Mystery Solved With Shoebox-Sized Satellite Called A CubeSat(图)
Six Decade Old Space Mystery Shoebox-Sized Satellite CubeSat
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2017/12/19
A 60-year-old mystery about the source of energetic, potentially damaging particles in Earth's radiation belts has been solved using data from a shoebox-sized satellite built and operated by students....
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How Strong Are Black Holes Really?(图)
Strong Black Holes
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2017/12/19
Black holes are famous for their muscle: an intense gravitational pull known to gobble up entire stars and launch streams of matter into space at almost the speed of light.It turns out the reality may...
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NSF statement on latest LIGO-Virgo detection of binary black hole merger(图)
NSF latest LIGO-Virgo binary black hole merger
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2017/12/19
Scientists supported by the National Science Foundation (NSF) recently announced the detection of the merger of two relatively "light" black holes, 7 and 12 times the mass of the sun, respectively, at...
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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
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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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Scientists Observe Supermassive Black Hole In Infant Universe(图)
Scientists Supermassive Black Hole Infant Universe
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2017/12/19
A team of astronomers, including two from MIT, has detected the most distant supermassive black hole ever observed. The black hole sits in the center of an ultrabright quasar, the light of which was e...
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Green Bank Observatory:NSF Releases Draft Environmental Impact Statement(图)
Green Bank Observatory NSF Draft Environmental Impact
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2017/12/19
On Nov. 8, 2017, the National Science Foundation (NSF) published the Draft Environmental Impact Statement (DEIS) for the Green Bank Observatory in Green Bank, West Virginia.NSF prepared the DEIS in co...
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Zwicky Transient Facility Opens Its Eyes to the Volatile Cosmos(图)
Zwicky Transient Facility Opens Its Eyes Volatile Cosmos
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2017/11/24
A new robotic camera with the ability to capture hundreds of thousands of stars and galaxies in a single shot has taken its first image of the sky, an event astronomers refer to as "first light." The ...
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NSF selects Anne Kinney to head Mathematical and Physical Sciences Directorate(图)
NSF Anne Kinney Mathematical and Physical Sciences Directorate
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2017/11/23
The National Science Foundation (NSF) has selected Dr. Anne Kinney to serve as head of the Directorate for Mathematical and Physical Sciences (MPS), which supports fundamental research in astronomy, c...
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Physicists describe new dark matter detection strategy(图)
Physicists new dark matter detection strategy
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2017/11/23
Physicists from Brown University have devised a new strategy for directly detecting dark matter, the elusive material thought to account for the majority of matter in the universe.The new strategy, wh...
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Discovering the cosmic mines of heavy elements(图)
cosmic mines heavy elements
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2017/10/26
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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LIGO and Virgo make first detection of gravitational waves produced by colliding neutron stars(图)
LIGO Virgo first detection gravitational waves produced colliding neutron stars
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2017/10/26
For the first time, scientists have directly detected gravitational waves -- ripples in space-time -- in addition to light from the spectacular collision of two neutron stars. This marks the first tim...