Imagine the Universe!
Imagine Home | Science | Advanced Science | 

Gamma Detectors Quiz

  1. Gamma-rays have only been detected in the last 30 years because:


  2. Gamma-rays passing through matter undergo



  3. This type of detector makes the atmosphere part of the detector.



  4. This type of detector uses semiconductors



Imagine the Universe is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Nicholas White (Director), within the Laboratory for High Energy Astrophysics at NASA's Goddard Space Flight Center.

The Imagine Team
Project Leader: Dr. Jim Lochner
All material on this site has been created and updated between 1997-2004.

CD Table of Contents