哈勃望远镜观测到可能的逃逸黑洞正在创造恒星的轨迹
有一个看不见的怪物逍遥法外，快速穿过星系间的空间，如果它在我们的太阳系，它可以在14分钟内从地球旅行到月球。
按月归档： 4 月 2023
人族一号燃烧液氧甲烷
2023年4月6日 Terran 1 Burns Methalox Image Credit: Relativity / John Kraus Explanation: Relativity’s Terran 1 Rocket is mostly 3D-printed. It burns a cryogenic rocket fuel composed of liquid methane and liquid oxygen (methalox). In this close-up of a Terran 1 launch on the night of March 22 from Cape Canaveral, icy chunks fall through the stunning frame a...
阿尔忒弥斯二号任务机组成员揭秘
Canadian Space Agency astronaut Jeremy Hansen (from left) and NASA astronauts Victor Glover, Reid Wiseman, and Christina Koch greet the crowd at Ellington Field near NASA’s Johnson Space Center on Monday, April 3, 2023. They make up the Artemis II crew, with Wiseman as commander, Glover as pilot, and Koch and Hansen as mission specialists. The four will vent...
哈勃太空望远镜意外发现遥远宇宙中的双类星体
使用NASA的哈勃太空望远镜和其他太空和地面天文台，天文学家调查这些发展取得了意想不到的罕见发现：一对受引力束缚的类星体，都在两个合并的星系中燃烧。
鲁宾的星系
2023年4月5日 Rubin’s Galaxy Image Credit: NASA, ESA, B. Holwerda (University of Louisville) Explanation: In this Hubble Space Telescope image the bright, spiky stars lie in the foreground toward the heroic northern constellation Perseus and well within our own Milky Way galaxy. In sharp focus beyond is UGC 2885, a giant spiral galaxy about 232 million lig...
奥林匹斯山: 太阳系最大的火山
2023年4月4日 Olympus Mons: Largest Volcano in the Solar System Image Credit: ESA, DLR, FU Berlin, Mars Express; Processing & CC BY 2.0 License: Andrea Luck Explanation: The largest volcano in our Solar System is on Mars. Although three times higher than Earth’s Mount Everest, Olympus Mons will not be difficult for humans to climb because of the volca...
银河中心的电波弧
2023年4月3日 The Galactic Center Radio Arc Image Credit: Ian Heywood (Oxford U.), SARAO; Explanation: What causes this unusual curving structure near the center of our Galaxy? The long parallel rays slanting across the top of the featured radio image are known collectively as the Galactic Center Radio Arc and point out from the Galactic plane. The Radio Arc is ...
哈勃影像: 环状星云M57
2023年4月2日 M57: The Ring Nebula from Hubble Image Credit: NASA, ESA, Hubble Legacy Archive; Processing: Judy Schmidt Explanation: It was noticed hundreds of years ago by stargazers who could not understand its unusual shape. It looked like a ring on the sky. Except for the rings of Saturn, the Ring Nebula (M57) may be the most famous celestial circle. We now ...
NASA的的毅力号收集了最新科学任务的第一个火星样本
火星车继续寻找值得带回地球进行进一步研究的岩石。
NGC 2442: 飞鱼座的星系
2023年4月1日 NGC 2442: Galaxy in Volans Image Credit & Copyright: Nicolas Rolland, Martin Pugh Explanation: Distorted galaxy NGC 2442 can be found in the southern constellation of the flying fish, (Piscis) Volans. Located about 50 million light-years away, the galaxy’s two spiral arms extending from a pronounced central bar give it a hook-shaped appe...