保护地球，探索宇宙，发现文明
2021年03月27日 Exploring the Antennae Image Credit & Copyright: Bernard Miller Explanation: Some 60 million light-years away in the southerly constellation Corvus, two large galaxies are colliding. Stars in the two galaxies, cataloged as NGC 4038 and NGC 4039, very rarely collide in the course of the ponderous cataclysm that lasts for hundreds of millions ...
2021年03月18日 Stardust in the Perseus Molecular Cloud Image Credit & Copyright: Kerry-Ann Lecky Hepburn, Stuart Heggie Explanation: Clouds of stardust drift through this deep skyscape, across the Perseus molecular cloud some 850 light-years away. Dusty nebulae reflecting light from embedded young stars stand out in the nearly 2 degree wide telescopic fiel...
2020年11月22日 Dark Molecular Cloud Barnard 68 Image Credit: FORS Team, 8.2-meter VLT Antu, ESO Explanation: Where did all the stars go? What used to be considered a hole in the sky is now known to astronomers as a dark molecular cloud. Here, a high concentration of dust and molecular gas absorb practically all the visible light emitted from background stars. T...