保护地球，探索宇宙，发现文明
2022年11月23日 Earthset from Orion Image Credit: NASA, Artemis 1 Explanation: Eight billion people are about to disappear in this snapshot from space. Taken on November 21, the sixth day of the Artemis 1 mission, their home world is setting behind the Moon’s bright edge as viewed by an external camera on the outbound Orion spacecraft. The Orion was headed...
2022年11月19日 Artemis 1 Moonshot Image Credit & Copyright: John Kraus Explanation: When the Artemis 1 mission’s Orion spacecraft makes its November 21 powered flyby of the Moon, denizens of planet Earth will see the Moon in a waning crescent phase. The spacecraft will approach to within about 130 kilometers of the lunar surface on its way to a dista...
2022年11月7日 A Total Lunar Eclipse Over Tajikistan Video Credit & Copyright: Jean-Luc Dauvergne (Ciel et Espace); Music: Valère Leroy & Sophie Huet (Space-Music) Explanation: If the full Moon suddenly faded, what would you see? The answer was recorded in a dramatic time lapse video taken during the total lunar eclipse in 2011 from Tajikistan. During ...
11月的天空会发生什么？月食，月球和行星，以及狮子座流星雨。
2022年10月10日 A Double Lunar Analemma over Turkey Image Credit & Copyright: Betul Turksoy 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 a...
十月份的天空会发生什么？夜晚有巨行星，火星改变方向，来自猎户座的流星。
2022年10月1日 Lunation Matrix Image Credit & Copyright: Tunc Tezel (TWAN) Explanation: Observe the Moon every night and you’ll see its visible sunlit portion gradually change. In phases progressing from New Moon to Full Moon to New Moon again, a lunar cycle or lunation is completed in about 29.5 days. Top left to bottom right, this 7×4 matrix of...
2022年9月23日 Ringed Ice Giant Neptune Image Credit: NASA, ESA, CSA, STScI, NIRCam Explanation: Ringed, ice giant Neptune lies near the center of this sharp near-infrared image from the James Webb Space Telescope. The dim and distant world is the farthest planet from the Sun, about 30 times farther away than planet Earth. But in the stunning Webb view the plane...
2022年9月3日 Sun and Moon and ISS Image Credit & Copyright: Wang Letian (Eyes at Night), Jin Ma (Beijing Planetarium) Explanation: On August 25 Sun and Moon could both be seen in planet Earth’s daytime skies. And so could the International Space Station. The ISS crossed the disk of the waning crescent Moon as seen from Shunyi district, Beijing, China...
九月份的天空会发生什么？火星在移动，木星的最佳观测时间，以及一个在秋分点寻找方位的巧妙方法。