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Stars Quiz

  1. A star during most of its life is called a

  2. The nuclear fusion reactions that power a star occur in

  3. Under non-eclipse conditions, the part of the star that we see in visible light is the

  4. Studying X-ray emissions from stars help scientists learn about

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.

The Imagine Team
Acting Project Leader: Dr. Barbara Mattson
All material on this site has been created and updated between 1997-2012.

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