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Imagine the Universe!
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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



Home Imagine Science Special Exhibit Satellites and Data
Dictionary Resources Teachers' Corner Ask a High Energy Astronomer

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