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Cosmic Rays: Quiz

Cosmic Rays Quiz

  1. Cosmic rays are made up of:



  2. Most galactic cosmic rays have been accelerated in:



  3. Cosmic rays are accelerated by:



  4. The percentage of cosmic rays that are either hydrogen or helium is:





 

A service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Andy Ptak (Director), within the Astrophysics Science Division (ASD) at NASA/GSFC

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