搜索结果: 1-15 共查到“国际动态 空间天文学”相关记录21条 . 查询时间(1.272 秒)
A “beautiful effect” predicted by quantum electrodynamics (QED) can explain the puzzling first observations of polarized X-rays emitted by a magnetar – a neutron star featuring a powerful magnetic fie...
Astronomers detect the closest example yet of a black hole devouring a star（图）
黑洞 吞噬恒星 红外天文学
2023/6/9
Once every 10,000 years or so, the center of a galaxy lights up as its supermassive black hole rips apart a passing star. This “tidal disruption event” happens in a literal flash, as the central black...
日冕物质抛射(CME)是灾害性空间天气的主要驱动源，如何针对特定的CME事件, 了解其在日冕和行星际空间的传播特性及演化过程，预测近地空间太阳风状态的变化，是空间天气研究领域的重要内容，同时受到国内外学者的广泛关注，近年来，在CME传播特性的观测和数值模拟研究中取得了大量进展。
Iowa State astrophysicists provide the eyes for new gamma ray telescope system（图）
gamma ray telescope system
2007/4/20
19-Apr-2007，AMES, Iowa -- There’s a "First Light Fiesta" in the works at Mt. Hopkins near Amado, Ariz. And Iowa State University astrophysicists will be among those enjoying the celebration of a new t...
11-Apr-2007，NASA’s next major space observatory, the Gamma-ray Large Area Space Telescope (GLAST), is one step closer to unveiling the mysteries of the high-energy universe. Almost all the components ...
8 March 2007—Several times a week, astronomers detect the violent death cry of a massive star -- an extraordinarily energetic release of gamma rays that takes place in just a matter of seconds to minu...
European astronomers create largest-ever catalogue of gamma-ray sources in the universe（图）
gamma-ray
2007/3/15
23 February 2007，Using data from the European Space Agency's latest orbiting gamma-ray observatory, Integral, a European team of astronomers led by Dr Antony Bird of the University of Southampton (UK)...
8 March 2007，HESS is a system of four gamma-ray telescopes designed to probe extreme cosmic events and put constraints on the nature of "dark matter". In 2005, HESS detected eight new high-energy gamm...
Huygens landing site to be named after Hubert Curien（图）
Space Research Huygens landing site
2007/3/7
March 5, 2007，As of 14 March, an epic space mission and one of the founding fathers of the European space endeavour will be forever linked.ESA, the international Committee for Space Research (COSPAR) ...
Mars Exploration Rovers Update: Spirit Survives Dust Storm and Studies Troll, Opportunity "Sails" to Cape Desire
lunar programs space station
2007/2/6
31 January 2007，The Planetary Society strongly opposed the Administration’s request for fiscal year 2007 because it had slashed science programs in order to increase funding for the shuttle, the space...
Jan 25, 2007，In his book, “Space on Earth”，microbiologist Charles Cockell urges space scientists and environmentalists to work together for the future for humanity.
American Association for the Advancement of Science Publishes "Exploring the Inner Solar System" for MESSENGER Mission（图）
space sciences Mercury Venus Inner Solar System
2006/12/14
13 December 2006,With NASA's MESSENGER spacecraft streaking past Venus on its way to Mercury, AAAS has teamed with the space agency to publish Exploring the Inner Solar System: Expecting the Unexpecte...
Ancient calculator was 1,000 yrs ahead of its time
astronomi calcalculatormade X-ray tomography
2006/12/1
November 29, 2006，An ancient astronomical calculatormade at the end of the 2nd century BC was amazingly accurate and more complex than any instrument for thenext 1,000 years, scientists said on Wednes...
太空巨镜将给火星取暖
太空巨镜 火星取暖 气球
2006/11/22
新华网2006年11月16日报道，日前，美国宇航局（nasa）开始投资研究一个匪夷所思的、但更为可行的解决方案。据悉，这一方案是由美国图森市亚利桑那州大学工程系学生里格尔•沃伊达设想出来的。按照构想，宇航员将在火星轨道上设置300个用反光材料制成的气球，每个气球直径都长达150米，它们挨个悬浮在一起，从而形成一面长、宽各1.5公里的“超级镜子”。众所周知，火星表面异常寒冷，温度通常在-...