保护地球，探索宇宙，发现文明
2022年8月15日 The Cygnus Wall of Star Formation Image Credit & Copyright: Johan Bogaerts Explanation: The North America nebula on the sky can do what the North America continent on Earth cannot — form stars. Specifically, in analogy to the Earth-confined continent, the bright part that appears as Central America and Mexico is actually a hot bed of ga...
2021年9月16日 North America and the Pelican Image Credit & Copyright: Andrew Klinger Explanation: Fans of our fair planet might recognize the outlines of these cosmic clouds. On the left, bright emission outlined by dark, obscuring dust lanes seems to trace a continental shape, lending the popular name North America Nebula to the emission region cataloged ...
2021年02月11日 Cygnus Mosaic 2010 – 2020 Image Credit & Copyright: J-P Metsavainio (Astro Anarchy) Explanation: In brush strokes of interstellar dust and glowing gas, this beautiful skyscape is painted across the plane of our Milky Way Galaxy near the northern end of the Great Rift and the constellation Cygnus the Swan. Composed over a decade with 40...
2021年01月29日 North American Nightscape Composite Image Credit & Copyright: Liron Gertsman Explanation: On January 21, light from the Moon near first quarter illuminated the foreground in this snowy mountain and night scene. Known as The Lions, the striking pair of mountain peaks are north of Vancouver, British Colombia, Canada, North America, planet Eart...
2019 July 28 The North America Nebula in Infrared Image Credit & Copyright: NASA, JPL-Caltech, L. Rebull (SSC, Caltech); Optical Rollover: DSS, D. De Martin Explanation: The North America Nebula can do what most North Americans cannot — form stars. Precisely where in the nebula these stars are forming has been mostly obscured by some of the nebula&...