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Gamma-ray Generation Quiz

  1. Gamma-rays can be created when two high-energy particles collide, when a particle and its antiparticle collide, when a charged particle is accelerated, or when

  2. What kind of gamma-ray production mechanism produces gamma-rays at only one particular energy?

  3. Gamma-rays are also produced by radioactive decay of

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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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This page last updated: Wednesday, 15-Sep-2004 11:44:23 EDT