保护地球，探索宇宙，发现文明
版权：NASA 阿耳忒弥斯1号（Artemis I）飞船已经移交进行重要测试；商业乘员计划（Commercial Crew Program）又迈进一大步；沙尘暴与火星上水的消失之间可能存在关联……最近新闻速递，尽在「本周NASA」！ 用于执行美国航空航天局（NASA）阿耳忒弥斯1号任务的猎户座（Orion）飞船于11月24日抵达俄亥俄州，搭乘的是NASA超级古比鱼（Super Guppy）运输机。猎户座飞船由乘员舱（crew module）和欧洲制造的服务舱（service module）组成，将在NASA位于俄亥俄州桑达斯基的梅溪观测站（Plum Brook Station）进行测试。在为期四个月的测试中，猎户座会被置于极端环境里，模拟它将在月球进行的三周任务期间所经历的环境条件，从而确认所有组件和系统在太空...
2019 December 2 Mercury Crosses a Quiet Sun Video Credit: NASA, SDO, NASA’s Science Visualization Studio; Music: Gustav Sting (Kevin MacLeod) via YouTube Explanation: What’s that black dot crossing the Sun? The planet Mercury. Mercury usually passes over or under the Sun, as seen from Earth, but last month the Solar System’s innermost plane...
Black holes are famous for ripping objects apart, including stars. But now, astronomers have uncovered a black hole that may have sparked the births of stars over a mind-boggling distance, and across multiple galaxies. If confirmed, this discovery, made with NASA’s Chandra X-ray Observatory and other telescopes, would represent the widest reach ever seen for...
2019 December 1 Starburst Galaxy M94 from Hubble Image Credit & Copyright: ESA/Hubble & NASA Explanation: Why does this galaxy have a ring of bright blue stars? Beautiful island universe Messier 94 lies a mere 15 million light-years distant in the northern constellation of the Hunting Dogs (Canes Venatici). A popular target for Earth-based astronom...