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Credit & Copyright: Neil Fleming,  
David Plesko  
  
  
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, located  
some 4,000 light years away toward the northern constellation  
Cygnus.  
  
Like other star forming regions, it stands out  
in red, glowing, hydrogen gas  
excited by young, hot stars  
and blue, dust-reflected starlight  
at the edge of an otherwise invisible  
molecular cloud.  
  
In fact, the bright star near the center of this nebula is likely  
only a few hundred thousand years old, powering the nebular glow as it  
clears out  
a cavity in the molecular  
cloud's star forming dust and gas.  
  
This  
  
exceptionally deep color view  
of the Cocoon Nebula traces  
tantalizing features within and surrounding the dusty  
stellar  
nursery.  
  
   
  
  
  
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: star formation - molecular cloud
Publications with words: star formation - molecular cloud
See also:
- APOD: 2025 August 1 Á Small Dark Nebula
 - APOD: 2025 July 10 Á Lynds Dark Nebula 1251
 - APOD: 2025 June 23 Á W5: Pillars of Star Formation
 - APOD: 2025 April 28 Á Gum 37 and the Southern Tadpoles
 - APOD: 2025 March 26 Á Star Formation in the Pacman Nebula
 - The Protostars within Lynds 483
 - Stardust in the Perseus Molecular Cloud
 

