保护地球，探索宇宙，发现文明
On Monday, Nov. 16, 2020, the SpaceX Crew Dragon arrived at the International Space Station for docking, carrying NASA astronauts Michael Hopkins, Victor Glover, Shannon Walker, and Japan Aerospace Exploration Agency astronaut Soichi Noguchi. In this image the Crew Dragon spacecraft was on approach to the space station and docked at 11:01 p.m. EST. Image Cre...
2020年11月19日 Crew-1 Mission Launch Streak Image Credit & Copyright: Jen Scott Explanation: Leaving planet Earth for a moment, a SpaceX Falcon 9 rocket arced into the early evening sky last Sunday at 7:27 pm EST from Kennedy Space Center’s Launch Complex 39A. This 3 minute 20 second exposure traces the launch streak as seen over watery reflections f...
2020年11月18日 A Double Star Cluster in Perseus Image Credit & Copyright: Greg Polanski Explanation: Most star clusters are singularly impressive. Open clusters NGC 869 and NGC 884, however, could be considered doubly impressive. Also known as “h and chi Persei”, this unusual double cluster, shown above, is bright enough to be seen from a dark ...
This NASA/ESA Hubble Space Telescope image features the galaxy LRG-3-817, also known as SDSS J090122.37+181432.3. The galaxy, its image distorted by the effects of gravitational lensing, appears as a long arc to the left of the central galaxy cluster. Gravitational lensing occurs when a large distribution of matter, such as a galaxy cluster, sits between Ear...
2020年11月17日 A Glowing STEVE and the Milky Way Image Credit: NASA, Krista Trinder Explanation: What’s creating these long glowing streaks in the sky? No one is sure. Known as Strong Thermal Emission Velocity Enhancements (STEVEs), these luminous light-purple sky ribbons may resemble regular auroras, but recent research reveals significant differences. A...
Watching the launch from Firing Room four in the Launch Control Center at NASA’s Kennedy Space Center in Florida, Lee Rosen, vice president of Mission and Launch Operations at SpaceX, pats Norm Knight, deputy director of Flight Operations. At 7:27 p.m. ET, Nov. 15, 2020, the SpaceX Falcon 9 rocket carried the company’s Crew Dragon spacecraft on NASA’s ...
2020年11月16日 Light and Glory over Crete Image Credit & Copyright: Tomáš Slovinský Explanation: The month was July, the place was the Greek island of Crete, and the sky was spectacular. Of course there were the usual stars like Polaris, Vega, and Antares — and that common asterism everyone knows: the Big Dipper. But this sky was just getting started...
从美国发射下一批空间站成员；NASA下一个火星探测器的任务里程碑；未来火星样本返回任务的相关更新……最近新闻速递，尽在「本周NASA」！ Credit：NASA 11月8日，NASA前往国际空间站的SpaceX第一次载人飞行任务（Crew-1）宇航员抵达了佛罗里达州的肯尼迪航天中心，进行升空前的最后准备。NASA局长吉姆·布里登斯坦（Jim Bridenstine）及其他人员在现场向他们致意。SpaceX载人龙飞船被命名为“恢复力号”（Resilience），宇航员表示这反映了团队为使任务准备就绪而付出的努力。“恢复力是复原的能力、修复的愿望，我们努力存活的信念。因为我们这次的任务为所有人而存在，Crew-1实际上是‘You-1’，所有人的任务，为所有人而存在。”“我们肩负着这个伟大的使命，我们都期待着成功进入...
2020年11月15日 Edge-On Galaxy NGC 5866 Image Credit: NASA, ESA, and The Hubble Heritage Team (STScI/AURA); Acknowledgment: W. Keel (U. Alabama) Explanation: Why is this galaxy so thin? Many disk galaxies are just as thin as NGC 5866, pictured here, but are not seen edge-on from our vantage point. One galaxy that is situated edge-on is our own Milky Way Galaxy. ...
2020年11月14日 Venus, Mercury, and the Waning Moon Image Credit & Copyright: Kevin Sargozza Explanation: Yesterday, early morning risers around planet Earth were treated to a waning Moon low in the east as the sky grew bright before dawn. From the Island of Ortigia, Syracuse, Sicily, Italy this simple snapshot found the slender sunlit crescent just before ...