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Imagine the Universe!
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Electromagnetic Spectrum Quiz

  1. Which of the following is correct in order of lowest to highest frequency?


  2. This type of emission maps the dust between stars.



  3. Gas in space emits radio waves.


  4. This type of emission can come from radioactive materials.


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Dictionary Resources Teacher's Corner Ask an Astrophysicist

Imagine the Universe is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA's Goddard Space Flight Center.

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Project Leader: Dr. Jim Lochner
All material on this site has been created and updated between 1997-2011.

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