Snapshots of the Universe
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Spitzer Space Telescope and Galaxy Evolution Explorer
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Christmas Tree Cluster Stellar Snowflake
Infant stars appear as pink and red specks in this infrared view from Spitzer. Newborn stars like these are usually hidden behind thick dust clouds so they cannot be seen with normal telescopes.

Wisps of dust that hold organic molecules, or star-forming ingredients, are shown in green. Yellow stars are massive infant stars and the blue dots are older stars.

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  Jet Propulsion Laboratory
   California Institute of Technology