哈勃望远镜拍摄的宇宙珊瑚
2020 April 25 Hubble’s Cosmic Reef Image Credit: NASA, ESA, STScI Explanation: These bright ridges of interstellar gas and dust are bathed in energetic starlight. With its sea of young stars, the massive star-forming region NGC 2014 has been dubbed the Cosmic Reef. Drifting just off shore, the smaller NGC 2020, is an expansive blue-hued structure erupt...