NASA的詹姆斯·韦伯太空望远镜证明星系改变了早期宇宙
在早期宇宙中，恒星和星系之间的气体是不透明的——高能的星光无法穿透它。但是在宇宙大爆炸10亿年后，这种气体变得完全透明。为什么？NASA的詹姆斯·韦伯太空望远镜的新数据已经确定了原因。
按月归档： 6 月 2023
系统工程主管艾米·伦迪安
“When I was a kid, I grew up watching the Moon landings. I remember watching Neil Armstrong land on the Moon, step on the lunar surface. … And so, as a kid, I wanted to be an astronaut. That was the thing – everybody wanted to be an astronaut. As I grew up, I kind of lost track of that between everything, living life and whatnot. “And so, a few years a...
地球最大的卫星
2023年6月12日 The Largest Satellites of Earth Image Credit & Copyright: Tianyao Yang Explanation: What’s that near the Moon? It’s the International Space Station (ISS). Although the ISS may appear to be physically near the Moon, it is not — it is physically near the Earth. In low Earth orbit and circulating around our big blue marble about every 90 minutes...
太阳消失的色光
2023年6月11日 The Sun and Its Missing Colors Image Credit: Nigel Sharp (NSF), FTS, NSO, KPNO, AURA, NSF Explanation: Here are all the visible colors of the Sun, produced by passing the Sun’s light through a prism-like device. The spectrum was created at the McMath-Pierce Solar Observatory and shows, first off, that although our white-appearing Sun emits l...
哈勃观察到一种宇宙海洋生物
The jellyfish galaxy JO206 trails across this image from the NASA/ESA Hubble Space Telescope, showcasing a colorful star-forming disk surrounded by a pale, luminous cloud of dust. A handful of foreground bright stars with crisscross diffraction spikes stands out against an inky black backdrop at the bottom of the image. JO206 lies over 700 million light-year...
火星与蜂巢星团
2023年6月10日 Mars and the Beehive Image Credit & Copyright: Rolando Ligustri Explanation: This month, bright Mars and brilliant Venus are the prominent celestial beacons in planet Earth’s western skies after sunset. Wandering through the constellation Cancer the Crab, the Red Planet was captured here on the evening of June 3 near the stars of open c...
潘朵拉星系团
2023年6月9日 Pandora’s Cluster of Galaxies Image Credit: NASA, ESA, CSA, Ivo Labbe (Swinburne), Rachel Bezanson (University of Pittsburgh), Processing: Alyssa Pagan (STScI) Explanation: This deep field mosaicked image presents a stunning view of galaxy cluster Abell 2744 from the James Webb Space Telescope’s NIRCam. Also dubbed Pandora’s Clust...
在阴天中对接
The last rays of an orbital sunset illuminate the cloud tops above the Pacific Ocean off the coast of Japan, providing a dramatic background for the SpaceX CRS-28 Dragon cargo craft as it approached the International Space Station for docking on June 6, 2023. The uncrewed Dragon spacecraft carried scientific experiments and technology demonstrations, includi...
象鼻与蓬车
2023年6月8日 Elephant’s Trunk and Caravan Image Credit & Copyright: Steve Cannistra (StarryWonders) Explanation: Like an illustration in a galactic Just So Story, the Elephant’s Trunk Nebula winds through the emission region and young star cluster complex IC 1396, in the high and far off constellation of Cepheus. Seen on the left the cosmic ele...
Crew-5参观NASA总部
On June 5, 2023, Crew-5 astronauts Josh Cassada (left) and Nicole A. Mann (second from left) of NASA, and Japan Aerospace Exploration Agency (JAXA) astronaut Koichi Wakata (right) visited NASA Associate Administrator Bob Cabana (second from right) at NASA Headquarters in Washington. Mann, Cassada, and Wakata spent 157 days in space as part of Expedition 68 a...