保护地球，探索宇宙，发现文明
2021年9月13日 Night Sky Reflected Image Credit & Copyright: Egon Filter Explanation: What’s that in the mirror? In the featured image of the dark southern sky, the three brightest galaxies of the night are all relatively easy to identify. Starting from the left, these are the Small Magellanic Cloud (SMC), the Large Magellanic Cloud (LMC), and part of...
2021年01月12日 A Historic Brazilian Constellation Image Credit & Copyright: Rodrigo Guerra Explanation: The night sky is filled with stories. Cultures throughout history have projected some of their most enduring legends onto the stars above. Generations of people see these stellar constellations, hear the associated stories, and pass them down. Featured h...