保护地球，探索宇宙，发现文明
2021年9月30日 The Hydrogen Clouds of M33 Image Credit & Copyright: Luca Fornaciari Explanation: Gorgeous spiral galaxy M33 seems to have more than its fair share of glowing hydrogen gas. A prominent member of the local group of galaxies, M33 is also known as the Triangulum Galaxy and lies a mere 3 million light-years away. Sprawling along loose spiral arms...
In this image from 2011, project scientist Mark Clampin is reflected in the flight mirrors of the James Webb Space Telescope during testing at the Marshall Space Flight Center. 在这张2011年的图像中，项目科学家马克·克兰平（Mark Clampin）在马歇尔太空飞行中心进行测试期间被反射在詹姆斯韦伯太空望远镜的飞行镜中。 In the intervening years, Webb has undergone a series of increasingly intensive tests and is slated to launc...
The engine on United Launch Alliance’s Atlas 5 rocket fires to launch the Landsat 9 satellite on a mission to observe Earth on Monday, Sept. 27, 2021, from Space Launch Complex 3 at Vandenberg Space Force Base in California. The Landsat 9 satellite is a joint NASA/U.S. Geological Survey mission that will continue the 50-year legacy of monitoring Earth’...
2021年9月29日 Gigantic Jet Lightning from Puerto Rico Video Credit & Copyright: Frankie Lucena Explanation: Have you ever seen a gigantic jet? They are extremely rare but tremendously powerful. Gigantic jets are a type of lightning discharge documented only this century that occur between some thunderstorms and the Earth’s ionosphere high above them....
2021年9月28日 Night of the Perseids Video Credit & Copyright: Vikas Chander & Dorje Angchuk; Music: Tea Time via PremiumBeat Explanation: Have you ever experienced a meteor shower? To help capture the wonder, a video was taken during the peak of the recent Perseid meteor shower above the Indian Astronomical Observatory in Hanle, India, high up in the ...
2021年9月27日星期一，联合发射联盟（ULA）的阿特拉斯五号火箭携带地球资源卫星9号从加利福尼亚州范登堡空军基地的3号航天发射场发射。地球资源卫星9号是美国国家航空航天局/美国地质调查局的一项联合任务，它将延续监测地球陆地和沿海地区的传统。 影像来源：美国国家航空航天局/比尔·英格尔斯 美国国家航空航天局（NASA）为监测地球陆地表面而建造的地球资源卫星9号，于美国东部时间星期一下午2点12分从加利福尼亚州范登堡空军基地成功发射。 作为与美国地质调查局（USGS）的一项联合任务，地球资源卫星9号由联合发射联盟的宇宙神Ⅴ号火箭从范登堡航天发射场3E升空。挪威的斯瓦尔巴群岛卫星监测地面站在发射后约83分钟获得了航天器的信号。地球资源卫星9号在到达其最终轨道高度438英里（705公里）时的性能与预期相符。 “NA...
On Monday, Sept. 27, 2021, at 2:12 EDT a United Launch Alliance Atlas V rocket with the Landsat 9 satellite is slated to lift off on a mission to observe Earth, the planet we call home. 2021年9月27日星期一，美国东部时间2:12，美国联合发射联盟阿特拉斯五号火箭携带地球资源9号卫星计划发射升空，执行观测地球的任务。 The Landsat 9 satellite is a joint NASA/U.S. Geological Survey mission that will continue 50-year legacy ...
2021年9月27日 Unwrapped: Five Decade Old Lunar Selfie Image Credit: NASA, Apollo 11, Neil Armstrong; Processing: Michael Ranger Explanation: Here is one of the most famous pictures from the Moon — but digitally reversed. Apollo 11 landed on the moon in 1969 and soon thereafter many pictures were taken, including an iconic picture of Buzz Aldrin taken by N...
2021年9月26日 The Red Square Nebula Image Credit & Copyright: Peter Tuthill (Sydney U.) & James Lloyd (Cornell U.) Explanation: How did a round star create this square nebula? No one is quite sure. The round star, known as MWC 922 and possibly part of a multiple star system, appears at the center of the Red Square Nebula. The featured image combines i...
