保护地球, 探索宇宙, 发现文明
2022年10月27日 Sunset, Moonset, Taj Mahal Image Credit & Copyright: Neelam and Ajay Talwar (TWAN) Explanation: On October 25th, Sun and New Moon set together as seen from Agra, India. Their close conjunction near the western horizon, a partial solar eclipse, was captured in this elevated view in hazy skies near the solitary dome of the Taj Mahal. Of course...
2022年2月3日 Embraced by Sunlight Image Credit & Copyright: Juan Luis Cánovas Pérez Explanation: Even though Venus (left) was the brightest planet in the sky it was less than 1/30th the apparent size of the Moon on January 29. But as both rose before the Sun they shared a crescent phase. For a moment their visible disks were each about 12 percent illuminat...
2022年1月6日 The Last Days of Venus as the Evening Star Image Credit & Copyright: Tamas Ladanyi (TWAN) Explanation: That’s not a young crescent Moon posing behind cathedral towers after sunset. It’s Venus in a crescent phase. About 40 million kilometers away and about 2 percent illuminated by sunlight, it was captured with camera and telephoto ...
4月份的天空会发生什么？ 早晨的行星，日落的拱门，还有在狮子座中找到狮子。 来源：NASA/JPL-Caltech 翻译：灼眼的粉丝 4月6日的早晨天空发现木星和土星与新月形成了一个可爱的三重奏。在日出前一小时的东南方低空寻找它们。 来源：NASA/JPL-Caltech 4月22日是地球日，也是一年一度的机会让我们共同欣赏我们地球家园的神奇和美丽。因此，当天空晴朗时，可以在一年中的任何时候都可以看到与地球相关的景象。 这是一种黄昏现象，你可能在日落之后才注意到。如果您可以将视线从西方的日落中移开，然后转身面向东方，你会经常看到一条粉色或橙色的天空带，下面有一条深蓝色天空带。这些天空带在日落后的几分钟内向上移动，形成一个横跨天空的拱形，随着夜幕的降临慢慢消失。 暗带是地球上升的阴影。在它上面，玫瑰色的天空带被称...
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 ...
2020 June 27 Eclipse under the ISS Image Credit: NASA ISS Expedition 63 Explanation: The dark shadow of the New Moon reached out and touched planet Earth on June 21. A high definition camera outside the International Space Station captured its passing in this snapshot from low Earth orbit near the border of Kazakhstan and China. Of course those along the Moo...
2020 May 7 Analemma of the Moon Image Credit & Copyright: Gyorgy Soponyai Explanation: An analemma is that figure-8 curve you get when you mark the position of the Sun at the same time each day for one year. But the trick to imaging an analemma of the Moon is to wait bit longer. On average the Moon returns to the same position in the sky about 50 minute...