Spitzer, the Space Infrared Telescope


  Infrared light


  Where is the infrared light?



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  Why is it difficult to observe in IR from Earth?


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  A cat in IR


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  A house in IR


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  Milky Way Objects



  Star Clusters Found in the Milky Way


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  The Center of the Milky Way


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  The Crab Nebula in visible,
  IR and X-ray light


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  Helix Nebula


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  Star Formation



  The Orion Nebula in visible and IR light


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  The Orion Nebula


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  "Mountains of Creation" in the
  W5 Star-Forming region


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  Star Formation in the DR21 Region


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  Massive Star Cluster


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  The Eagle Nebula and
  the "Pillars of Creations"


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  External Galaxies


  The Spiral Galaxy M81


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  The Andromeda Galaxy (M31)


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  Eyes in the Sky



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  One of the Youngest and Brightest
  Galaxies in the Early Universe


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