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Cosmic Rays: Quiz

Cosmic Rays Quiz

  1. The average age of cosmic rays is:

  2. The most common element in cosmic rays is:

  3. The composition of the solar system is determined with:

  4. Cosmic rays can produce gamma rays when they interact with:


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

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