保护地球, 探索宇宙, 发现文明
2022年3月28日 Gems of a Maldivean Night Image Credit & Copyright: Petr Horálek (ESO Photo Ambassador, Inst. of Physics in Opava) Explanation: The southernmost part of the Milky Way contains not only the stars of the Southern Cross, but the closest star system to our Sun — Alpha Centauri. The Southern Cross itself is topped by the bright, yellowish st...
2022年1月18日 From Orion to the Southern Cross Image Credit & Copyright: Lucy Yunxi Hu Explanation: This is a sky filled with glowing icons. On the far left is the familiar constellation of Orion, divided by its iconic three-aligned belt stars and featuring the famous Orion Nebula, both partly encircled by Barnard’s Loop. Just left of center in the f...
2021年01月25日 Southern Cross over Chilean Volcano Image Credit & Copyright: Tomáš Slovinský Explanation: Have you ever seen the Southern Cross? This famous four-star icon is best seen from Earth’s Southern Hemisphere. The featured image was taken last month in Chile and captures the Southern Cross just to the left of erupting Villarrica, one of the ...