搜索结果: 196-210 共查到“国际动态 天体物理学”相关记录378条 . 查询时间(4.202 秒)
Flip-flopping black holes spin to the end of the dance
Flip-flopping black holes spin end of the dance
font style='font-size:12px;'>
2015/4/13
When black holes tango, one massive partner spins head over heels (or in this case heels over head) until the merger is complete, said researchers at Rochester Institute of Technology in a paper publi...
Black holes don’t erase information, scientists say（图）
Black holes don’t erase information scientists say
font style='font-size:12px;'>
2015/4/13
Shred a document, and you can piece it back together. Burn a book, and you could theoretically do the same. But send information into a black hole, and it’s lost forever.That’s what some physicists ha...
High-energy partnership
High-energy partnership
font style='font-size:12px;'>
2015/3/25
A new facility should help advance understanding of black holes, supernovae and the origins of our universe.Today, the U.S. National Science Foundation (NSF), the U.S. Department of Energy and Mexico'...
Why Do Starburst Galaxies 'Burst'? ALMA Sees Super Stellar Nurseries at Heart of Sculptor Galaxy
Starburst Galaxies Burst Super Stellar Nurseries Heart of Sculptor Galaxy
font style='font-size:12px;'>
2015/3/4
Starburst galaxies transmute gas into new stars at a dizzying pace – up to 1,000 times faster than typical spiral galaxies like the Milky Way. To help understand why some galaxies "burst" while others...
VLA Finds Unexpected "Storm" at Galaxy's Core
VLA Finds Unexpected Storm Galaxy's Core
font style='font-size:12px;'>
2015/3/4
Astronomers using the National Science Foundation's Very Large Array (VLA) found surprisingly energetic activity in what they otherwise considered a "boring" galaxy, and their discovery provides impor...
BICEP2 and Planck joint study: Gravitational waves remain elusive
BICEP2 Planck joint Gravitational waves remain elusive
font style='font-size:12px;'>
2015/3/4
A new joint analysis of data from two South Pole-based experiments--the BICEP2 telescope and the Keck Array, both supported by the National Science Foundation--and the European Space Agency's Planck s...
NASA专家称15年内有望发现另一个地球
NASA专家 15年内 另一个地球
font style='font-size:12px;'>
2015/1/12
国外媒体报道，近日，天文学家发表了一个突破性的研究进展：利用开普勒空间望远镜，他们新发现了8颗可能适合生命存在的行星，从而使这类行星的总数量达到了1000个。不过，我们是否有机会利用太空望远镜去了解这些行星的更详细情况？或者有朝一日，前往探访这些行星呢？
Map of Mysterious Molecules In Our Galaxy Sheds New Light on Century-Old Puzzle（图）
Map of Mysterious Molecules Our Galaxy Light on Century-Old Puzzle
font style='font-size:12px;'>
2015/1/20
The map, which can be viewed at http://is.gd/dibmap, was unveiled Jan. 8 at the 225th meeting of the American Astronomical Society in Seattle. The map will be discussed at a 2:15 p.m. PST press confer...
欧洲科学家称可能发现暗物质信号
欧洲科学家 暗物质信号
font style='font-size:12px;'>
2014/12/15
果真有证据说明宇宙中存在暗物质吗？欧洲科学家在研究了大量的X射线数据后相信，他们可能发现了暗物质粒子的蛛丝马迹。相关研究将发表在《物理评论快报》上。瑞士洛桑联邦理工学院粒子物理和宇宙学系的奥列格·瑞查尔斯基和阿列克谢·波雅尔斯基带领的科研团队称，他们通过分析英仙座星系团和仙女座星系发出的X射线，可能发现了被科学家苦苦追寻的暗物质的信号。该团队利用欧洲航天局的X射线多面镜（XMM）牛顿天文望远镜收集...
仅10%星系可能存在复杂生命（图）
10%星系 可能存在 复杂生命
font style='font-size:12px;'>
2014/11/26
宇宙可能比之前所认为的更寂寞。两位天体物理学家提出，对可观测到的宇宙中的1000亿个星系进行的评估表明，大约只有10%的星系能够支持像地球上的人类一样的复杂生命形式的存在。而在其他地方，恒星释放的伽马射线暴会定期消灭比细菌复杂的任何生命形式。研究人员表示，这种爆发也使得在宇宙大爆炸后的数十亿年里生命无处可寻。并未参与该项研究的美国托皮卡市沃西本大学物理学家Brian Thomas表示：“有点奇怪，...
中国科学院上海天文台普林斯顿大学James M. Stone教授访问上海天文台（图）
磁流体动力学；吸积盘
font style='font-size:12px;'>
2021/11/1
应中国科学院上海天文台星系宇宙学研究中心邀请，美国普林斯顿大学天体物理系的James M. Stone教授于2014年9月23-27日访问了上海天文台。期间，Stone教授为上海天文台科研人员做了一场题为“MHD Simulations of Radiation Pressure Dominated Accretion Disks”的精彩学术报告。
Newly detected short radio pulse appears to come from far beyond our galaxy（图）
Radio telescopes Pulse A quick radio burst Signal Radio The pulsar. The observatory The Milky Way
font style='font-size:12px;'>
2014/7/18
The discovery of a split-second burst of radio waves using the Arecibo radio telescope in Puerto Rico provides important new evidence of mysterious pulses that appear to come from deep in outer space.
Radio-burst discovery deepens astrophysics mystery（图）
Pulse Celestial bodies The Milky Way. The radio waves. Radio telescopes A quick radio burst Astrophysics
font style='font-size:12px;'>
2014/7/18
Brief pulse detected by Arecibo telescope appears to come from far beyond our galaxy.The discovery of a split-second burst of radio waves by scientists using the Arecibo radio telescope in Puerto Rico...
Small but Plentiful: How the Faintest Galaxies Illuminated the Early Universe（图）
The universe Galaxy Astrophysics. The Milky Way. The big bang Ultraviolet The mass of the sun
font style='font-size:12px;'>
2014/7/18
Light from tiny galaxies more than 13 billion years ago played a larger role than previously thought in creating the conditions in the universe as we know it today, according to a new study by researc...
Cosmic Accounting Reveals Missing Light Crisis（图）
The universe Ultraviolet Space galaxy Astrophysics. The star
font style='font-size:12px;'>
2014/7/18
Pasadena, CA—Something is amiss in the Universe. There appears to be an enormous deficit of ultraviolet light in the cosmic budget.The vast reaches of empty space between galaxies are bridged by tendr...