保护地球，探索宇宙，发现文明
2022年5月15日 Colors of the Moon Image Credit & Copyright: Marcella Giulia Pace Explanation: What color is the Moon? It depends on the night. Outside of the Earth’s atmosphere, the dark Moon, which shines by reflected sunlight, appears a magnificently brown-tinged gray. Viewed from inside the Earth’s atmosphere, though, the moon can appear quit...
2021年06月04日 Blood Monster Moon Image Credit & Copyright: Chirag Upreti Explanation: On May 26, the Full Flower Moon was caught in this single exposure as it emerged from Earth’s shadow and morning twilight began to wash over the western sky. Posing close to the horizon near the end of totality, an eclipsed lunar disk is framed against bare oak tree...
NASA预算请求的公布… 一组新的以地球为中心的任务… 一组新的以地球为中心的任务… 最近新闻速递，尽在「本周NASA」！ 来源：NASA 翻译：灼眼的粉丝 NASA概述总统2022财政年度资金请求 5月28日，NASA局长、参议员比尔·纳尔逊和其他高级官员向媒体通报了拜登·哈里斯政府对该机构2022财年的预算申请，此前白宫发布了全部预算申请。有关248亿美元预算申请的详细信息和支持信息，请访问nasa.gov/budget。 新的NASA地球系统天文台 NASA的地球系统天文台将是一组新的以地球为中心的任务，使用单独的卫星提供关键的下一代数据，以帮助减缓气候变化、保护面临自然灾害的社区并改善实时农业进程。这些卫星将相互补充，协同工作，创造一个三维的地球整体视图，以及对地球气候系统的前所未有的理解。如需更多信息...
2021年05月28日 Total Lunar Eclipse from Sydney Image Credit & Copyright: Peter Ward (Barden Ridge Observatory) Explanation: The reddened shadow of planet Earth plays across the lunar disk in this telescopic image taken on May 26 near Sydney, New South Wales, Australia. On that crisp, clear autumn night a Perigee Full Moon slid through the northern edge of ...
2021年05月27日 Mid-Eclipse and Milky Way Image Credit & Copyright: John Kraus Explanation: May’s perigee Full Moon slid through Earth’s shadow yesterday entertaining night skygazers in regions around the Pacific. Seen from western North America, it sinks toward the rugged Sierra Nevada mountain range in this time-lapse series of the total lunar...
2021年05月25日 The Moon During a Total Lunar Eclipse Video Credit: Wang Letian & Zhang Jiajie Explanation: How does the Moon’s appearance change during a total lunar eclipse? The featured time-lapse video was digitally processed to keep the Moon bright and centered during the 5-hour eclipse of 2018 January 31. At first the full moon is visible becaus...
2020 February 5 Lunar Eclipse Perspectives Image Credit: F. Pichardo, G. Hogan, P. Horálek, F. Hemmerich, S. Schraebler, L. Hašpl, R. Eder; Processing & Copyright : Matipon Tangmatitham; Text: Matipon Tangmatitham (NARIT) Explanation: Do we all see the same Moon? Yes, but we all see it differently. One difference is the apparent location of the Moon agai...
2020 January 24 Into the Shadow Image Credit & Copyright: Laszlo Francsics Explanation: On January 21, 2019 moonwatchers on planet Earth saw a total lunar eclipse. In 35 frames this composite image follows the Moon that night as it crossed into Earth’s dark umbral shadow. Taken 3 minutes apart, they almost melt together in a continuous screen that ...
2019 June 9 大型火山的三角形阴影 图片来源及版权：Juan Carlos Casado (TWAN) 说明：这座火山的影子，怎么看起来是三角形的？泰德火山实际的形状，和它三角形影子所暗示的有别，并非是完美的金字塔形。此外，三角形的影子不是泰德火山所特有，而是站立于巨峰或火山峰顶时，会经常见到的景象。关键的因素之一，是日落（或日出）时，观测者是顺着向地平线伸展的长长影子远眺。即使巨大的火山是个完美的立方体，影子也会是长方形的，而且影子向远方的地平线伸展时，会逐渐缩减成锥形，就如同平行的火车铁轨会聚在远处一样。这张壮丽的主题影像，前景有西班牙．加那利群岛．特内里费岛的Pico Viejo火山口。接近满相的月亮，则是摄于月全食过后不久。 A Triangular Shadow of a Large Vol...