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Gamma-ray Astronomy Quiz

  1. Which of the following processes result in gamma-ray emission?



  2. Gamma-rays are the most energetic form of electromagnetic radiation.


  3. Gamma-ray astronomy could not began until


  4. The first gamma-ray telescope was on


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Ask an Astrophysicist

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

The Imagine Team
Project Leader: Dr. Jim Lochner
Curator:Meredith Gibb
Responsible NASA Official:Phil Newman
All material on this site has been created and updated between 1997-2008.
Last Updated: Wednesday, 15-Sep-2004 11:44:23 EDT

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