2020年11月12日 Comet ATLAS and Orion’s Belt Image Credit & Copyright: Charles Bracken Explanation: With its closest approach to planet Earth scheduled for November 14, this Comet ATLAS (C/2020 M3) was discovered just this summer, another comet found by the NASA funded Asteroid Terrestrial-im […]
2020年9月19日 Orion in Depth Illustration Credit & Copyright: Ronald Davison Explanation: Orion is a familiar constellation. The apparent positions of its stars in two dimensions create a well-known pattern on the bowl of planet Earth’s night sky. Orion may not look quite so familiar in this
阿尔忒弥斯（Artemis）计划取得重要进展；下一个火星车的发射日期越来越近；静音超音速飞行探索的最新进展……最近新闻速递，尽在「本周NASA」！ Credit：NASA 帮助第一个阿尔忒弥斯飞行测试发射升空的火箭助推器，正以组建分装的形式从诺斯罗普·格鲁曼公司（Northrop Grumman）位于犹他州普罗蒙特里的制造工厂运往佛罗里达州的肯尼迪航天中心（Kennedy Space Center）。 Credit：NASA 工作人员现在将组装助推器，并最终整合到太空发射系统（Space LaunchSystem，SLS）火箭上，用于在阿尔忒弥斯I号（Artemis I）任务中发射一艘绕月飞行
2020 March 29 A 212-Hour Exposure of Orion Image Credit & Copyright: Stanislav Volskiy, Rollover Annotation: Judy Schmidt Explanation: The constellation of Orion is much more than three stars in a row. It is a direction in space that is rich with impressive nebulas. To better appreciate this wel
图片来源：NASA 在阿尔忒弥斯任务期间，NASA的宇航员乘坐猎户座飞船升空前往月球时，保障他们安全的将会是发射中止系统。猎户座飞船将由太空发射系统发射升空，在发射和升空途中可能会遇到无法预见的紧急情况，而设置发射中止系统的目的就是在紧急事件中将飞船上的宇航员带到安全地点。 2月25日，在诺斯罗普•格鲁曼公司（Northrop Grumman）位于马里兰州埃尔克顿的工厂中，NASA成功完成了姿态控制发动机（attitude control motor，ACM）的测试，姿态控制发动机由诺斯罗普•格鲁曼公司制造，作用是控制猎户座飞船发射中止系统的行驶方向和动力。30秒钟的点火测试是姿态控制发动机的
2020 February 18 Orion over the Central Bohemian Highlands Image Credit & Copyright: Vojtěch Bauer Explanation: Do you recognize this constellation? Setting past the Central Bohemian Highlands in the Czech Republic is Orion, one of the most identifiable star groupings on the sky and an icon fami
2020 January 20 Quadrantid Meteors through Orion Image Credit & Copyright: Petr Horálek Explanation: Why are these meteor trails nearly parallel? Because they were all shed by the same space rock and so can be traced back to the same direction on the sky: the radiant of the Quadrantid Meteor Sho
2020 January 2 The Fainting of Betelgeuse Image Credit & Copyright: Jimmy Westlake (Colorado Mountain College) Explanation: Begirt with many a blazing star, Orion the Hunter is one of the most recognizable constellations. In this night skyscape the Hunter’s stars rise in the northern hemis
2019 December 12 Decorating the Sky Image Credit & Copyright: Leonardo Julio (Astronomia Pampeana) Explanation: Bright stars, clouds of dust and glowing nebulae decorate this cosmic scene, a skyscape just north of Orion’s belt. Close to the plane of our Milky Way galaxy, the wide field vie
