保护地球，探索宇宙，发现文明
2021年07月05日 IC 4592: The Blue Horsehead Reflection Nebula Image Credit & Copyright: Adam Block, Steward Observatory, University of Arizona Explanation: Do you see the horse’s head? What you are seeing is not the famous Horsehead nebula toward Orion but rather a fainter nebula that only takes on a familiar form with deeper imaging. The main part of...
2021年01月21日 M78 Wide Field Image Credit & Copyright: Wes Higgins Explanation: Interstellar dust clouds and glowing nebulae abound in the fertile constellation of Orion. One of the brightest, M78, is centered in this colorful, wide field view, covering an area north of Orion’s belt. At a distance of about 1,500 light-years, the bluish reflection ne...
2020年12月26日 Fox Fur, Unicorn, and Christmas Tree Image Credit & Copyright: Miguel Claro (TWAN, Dark Sky Alqueva) Explanation: Clouds of glowing hydrogen gas fill this colorful skyscape in the faint but fanciful constellation Monoceros, the Unicorn. A star forming region cataloged as NGC 2264, the complex jumble of cosmic gas and dust is about 2,700 ligh...
2020年10月29日 The Ghoul of IC 2118 Image Credit & Copyright: Casey Good/Steve Timmons Explanation: Inspired by the halloween season, this telescopic portrait captures a cosmic cloud with a scary visage. The interstellar scene lies within the dusty expanse of reflection nebula IC 2118 in the constellation Orion, the Hunter. IC 2118 is about 800 light-years...
2020年10月26日 Reflections of the Ghost Nebula Image Credit & Copyright: Bogdan Jarzyna Explanation: Do any shapes seem to jump out at you from this interstellar field of stars and dust? The jeweled expanse, filled with faint, starlight-reflecting clouds, drifts through the night in the royal constellation of Cepheus. Far from your own neighborhood on plan...