保护地球，探索宇宙，发现文明
2023年12月2日 Startrails over Beijing Ancient Observatory Image Credit & Copyright: Jeff Dai (TWAN) Explanation: You can take a subway ride to visit this observatory in Beijing, China but you won’t find any telescopes there. Starting in the 1400s astronomers erected devices at the Beijing Ancient Observatory site to enable them to accurately measure ...
2023年12月1日 Milky Way Rising Image Credit & Copyright: José Rodrigues Explanation: The core of the Milky Way is rising beyond the Chilean mountain-top La Silla Observatory in this deep night skyscape. Seen toward the constellation Sagittarius, our home galaxy’s center is flanked on the left, by the European Southern Observatory’s New Technolo...
一组被称为“蜘蛛脉冲星”的死亡恒星正在吞噬它们所及范围内的伴星。数据来自NASA的钱德拉X射线天文台。