NASA 2020回顾
对NASA来说，2020年是具有历史意义的一年，我们又一次将人类从美国发射到国际空间站上，送人类重登月球和探索火星的计划取得了新进展，与小行星来了次史无前例的邂逅，在地球上和太空中都展现了我们的毅力（号）和坚韧（号），同时还帮助美国应对着一场全球性危机。 现在让我们来回顾一下NASA在2020年所做的事情，祝大家新年安康快乐，期待在2021年和你分享更多的NASA成就！
按月归档： 1 月 2021
2020年日全食
2021年01月07日 Total Solar Eclipse 2020 Image Credit & Copyright: Miloslav Druckmuller, Andreas Moller, (Brno University of Technology), Explanation: Along a narrow path crossing southern South America through Chile and Argentina, the final New Moon of 2020 moved in front of the Sun on December 14 in the year’s only total solar eclipse. Within about ...
研究特洛伊小行星的露西任务
Slated to launch in October 2021, NASA’s Lucy mission will be the first space mission to study the Trojan asteroids, leftover building blocks of the solar system’s outer planets orbiting the Sun at the distance of Jupiter. The mission takes its name from the fossilized human ancestor (called “Lucy” by her discoverers) whose skeleton provided unique ins...
幻想性视错觉：在宇宙中看到各种形状
What is pareidolia? It is the psychological phenomenon where we see recognizable shapes in clouds, rock formations, or otherwise unrelated objects or data. When an image from NASA’s Chandra X-ray Observatory of PSR B1509-58 – a spinning neutron star surrounded by a cloud of energetic particles about 17,000 light-years from Earth – was released in 2009,...
照料植物栖息地-02
NASA astronaut Michael Hopkins tends to radish plants growing for the Plant Habitat-02 experiment, which evaluates plant growth as well as nutrition and taste of the plants. In the final two weeks of 2020, crew members aboard the International Space Station conducted dozens of scientific investigations, including studies of how plants grow in microgravity, t...
火星的条纹沙丘
2021年01月06日 Striped Sand Dunes on Mars Image Credit: HiRISE, MRO, LPL (U. Arizona), NASA; Processing: Włodek Głażewski; Text: Alex R. Howe (NASA/USRA, Reader’s History of SciFi Podcast) Explanation: Why are these sand dunes on Mars striped? No one is sure. The featured image shows striped dunes in Kunowsky Crater on Mars, photographed recently with the...
小麦哲伦星系
2021年01月05日 The Small Cloud of Magellan Image Credit & Copyright: José Mtanous Explanation: What is the Small Magellanic Cloud? It has turned out to be a galaxy. People who have wondered about this little fuzzy patch in the southern sky included Portuguese navigator Ferdinand Magellan and his crew, who had plenty of time to study the unfamiliar night sk...
观星指南（2021.01）
一月份的天空会发生什么？接近太阳，一些容易发现的外行星，并有机会捕捉快速移动的水星。 Credit:NASA/JPL-Caltech 地球在1月2日到达其椭圆轨道上的最近点，称为近日点。太阳在天空中不会明显变大，只大3%左右。(当然，在没有适当保护眼睛的情况下，绝不能直视太阳。记住，仅靠太阳镜是不够的。) Credit:NASA/JPL-Caltech 遥远的外行星天王星太暗淡了，我们大多数人无法用肉眼看到，如果没有计算机引导的望远镜，很难在天空中找到它。但在1月20日，天王星将位于月球和火星之间。 Credit:NASA/JPL-Caltech 在一月的最后两周寻找水星。你需要一个清晰的朝向西方的视野，因为水星将出现在地平线上仅仅几度。 以下是一月的月相。 Credit:NASA/JPL-Caltech 来源...
猎户星云中心的混沌
Gaseous swirls of hydrogen, sulfur, and hydrocarbons cradle a collection of infant stars in this composite image of the Orion Nebula, as seen by the Hubble Space Telescope and the Spitzer Space telescope. Together, the two telescopes expose carbon-rich molecules in the cosmic cloud of this star-formation factory located 1,500 light-years away. Hubble’s...
复古前卫的NASA太空艺术
This fictional toroidal (doughnut-shaped) space colony, illustrated by Rick Guidice, is one of many artistic renderings that were born out of an art program at NASA’s Ames Research Center in the 1970s. Ames scientists conducted three different studies into how humans may one build massive space colonies. Artistic endeavors like these help form connecti...