按月归档: 2 月 2020

再见斯皮策,感谢你16年来叹为观止的宇宙观测

视频来源:NASA 美国东部时间1月22日星期三下午1点(北京时间1月23日凌晨2点),美国航空航天局(NASA)主办了现场直播节目,用来纪念NASA的斯皮策空间望远镜(Spitzer Space Telescope)留下的深远“遗产”,在贡献了16年惊为天人的无数发现后,斯皮策任务就要在1月30日宣告结束了。 负责斯皮策观测计划的研究人员包括NASA天体物理学主任保罗•赫兹(Paul Hertz),以及来自NASA喷气推进实验室(Jet Propulsion Laboratory,JPL)的斯皮策项目科学家迈克•沃纳(Mike Werner)、天体物理学家法丽莎•莫拉莱斯(Farisa Morales)、现任的任务主管约瑟夫•亨特(Joseph Hunt)和前任任务主管苏珊•多德(Suzanne Dodd)。...

美国宇航局纪念日

Amy Resnik, wife of Chuck Resnik, touches the Space Shuttle Challenger Memorial after a wreath laying ceremony as part of NASA’s Day of Remembrance, Thursday, Jan. 30, 2020, at Arlington National Cemetery in Arlington, Va. Chuck Resnik is the brother of late space shuttle Challenger astronaut Judy Resnik. The wreaths were laid in memory of those men and wome...

卢卡·帕尔米塔诺致力于修理阿尔法磁谱仪

European Space Agency astronaut and International Space Station commander Luca Parmitano finalizes repairs to the Alpha Magnetic Spectrometer. The instrument, which detects a dark matter and antimatter, was repaired during a spacewalk on Jan. 25, 2020, that lasted 6 hours and 16 minutes. Image Credit: NASA 欧洲航天局宇航员、国际空间站指挥官卢卡·帕尔米塔诺完成阿尔法磁谱仪的修理工作。探测暗物质和反物质的仪器在...

阿波罗14号打道回府

2020 February 1 Apollo 14 Heads for Home Image Credit: Apollo 14, NASA, JSC, ASU (Image Reprocessing: Andy Saunders) Explanation: When leaving lunar orbit in February 1971, the crew of Apollo 14 watched this Earthrise from their command module Kittyhawk. With Earth’s sunlit crescent just peaking over the lunar horizon, the cratered terrain in the foreg...

恒星的宜居带

2020 January 31 Goldilocks Zones and Stars Infographic Credit: NASA ESA, Z. Levy (STScI) Explanation: The Goldilocks zone is the habitable zone around a star where it’s not too hot and not too cold for liquid water to exist on the surface of orbiting planets. This intriguing infographic includes relative sizes of those zones for yellow G stars like the...

双星团与彗星

2020 January 30 Two Clusters and a Comet Image Credit & Copyright: Rolando Ligustri (CARA Project, CAST) Explanation: This lovely starfield spans some four full moons (about 2 degrees) across the heroic northern constellation of Perseus. In telescopic exposures made during the nights of January 24, 26, and 28 it holds the famous pair of open or galactic ...