保护地球，探索宇宙，发现文明
2023年1月5日 Messier 45: The Daughters of Atlas and Pleione Image Credit & Copyright: Stefan Thrun Explanation: Hurtling through a cosmic dust cloud a mere 400 light-years away, the lovely Pleiades or Seven Sisters open star cluster is well-known for its striking blue reflection nebulae. It lies in the night sky toward the constellation Taurus and the Orio...
地表水和海洋地形卫星上的摄像机拍摄到了其主要科学仪器在轨道上展开的天线。
Support teams work around the SpaceX Crew Dragon Endurance spacecraft shortly after it landed on Friday, May 6, 2022 with Crew-3 NASA astronauts Raja Chari, Kayla Barron, Tom Marshburn, and European Space Agency astronaut Matthias Maurer aboard. To protect the health and safety of the astronauts, the recovery teams, and the general public, highly trained res...
2023年1月4日 CG4: The Globule and the Galaxy Image Credit & Copyright: Mike Selby & Mark Hanson Explanation: Can a gas cloud eat a galaxy? It’s not even close. The “claw” of this odd looking “creature” in the featured photo is a gas cloud known as a cometary globule. This globule, however, has ruptured. Cometary globules ...
An osprey is seen in front of NASA’s Space Launch System rocket with the Orion spacecraft aboard as launch preparations continued Friday, Sept. 2, 2022, at NASA’s Kennedy Space Center in Florida. This photo was chosen by the NASA Headquarters photographers as one of the best from 2022. See the rest on Flickr. Image Credit: NASA/Keegan Barber 2022年9月2日，星期五，在佛...
2023年1月3日 Kemble’s Cascade of Stars Image Credit & Copyright: Tommy Lease Explanation: This line of stars is real. A little too faint to see with the unaided eye, Kemble’s Cascade of stars inspires awe when seen with binoculars. Like the Big Dipper though, Kemble’s Cascade is an asterism, not a constellation. The asterism is visible in the northern sky ...
更新于2022年12月22日：SpaceX关于重新增强哈勃太空望远镜可能性的非独家研究正在进行中。在2022年12月22日星期四，NASA发布了一份信息征询，以寻求更多有关商业能力的信息，以哈勃作为演示，在轨道上重新装载卫星，无需政府支付任何费用。目前，NASA还没有计划执行或资助专门的哈勃维修任务。信息征询将一直开放到2023年1月24日，NASA将继续探索哈勃未来的选择。
2023年1月2日 After Sunset Planet Parade Image Credit & Copyright: Tunc Tezel (TWAN) Explanation: Look up tonight and see a whole bunch of planets. Just after sunset, looking west, planets Venus, Saturn, Jupiter and Mars will all be simultaneously visible. Listed west to east, this planetary lineup will have Venus nearest the horizon, but setting shortly af...
2023年1月1日 The Largest Rock in our Solar System Image Credit: NASA, Voyager 1 spacecraft Explanation: There, that dot on the right, that’s the largest rock known in our Solar System. It is larger than every known asteroid, moon, and comet nucleus. It is larger than any other local rocky planet. This rock is so large its gravity makes it into a large bal...