Snapshots of the Universe
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Spitzer Space Telescope and Galaxy Evolution Explorer
 
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reflection nebula NGC 1333 The 'Terrible Twos'
Young stars, like toddlers, want to start showing their independence. This Spitzer view shows a stellar version of the "terrible twos" - the stars are beginning to move away from their formative cloud, seen in red and green. Jets can be seen coming off the young stars as they make their way into the cosmos.

This nebula is 1,000 light-years from Earth in the constellation Perseus.

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  Jet Propulsion Laboratory
   California Institute of Technology