标签: 茧状星云

大视野图像里的茧状星云

2022年10月26日 Cocoon Nebula Wide Field Image Credit & Copyright: Andy Ermolli Explanation: When does a nebula look like a comet? In this crowded starfield, covering over two degrees within the high flying constellation of the Swan (Cygnus), the eye is drawn to the Cocoon Nebula. A compact star forming region, the cosmic Cocoon punctuates a nebula bright i...

IC 5146:茧状星云

2022年8月27日 IC 5146: The Cocoon Nebula Image Credit & Copyright: David Jenkins Explanation: Inside the Cocoon Nebula is a newly developing cluster of stars. Cataloged as IC 5146, the beautiful nebula is nearly 15 light-years wide. Climbing high in northern summer night skies, it’s located some 4,000 light years away toward the constellation Cygnus ...