Week 4 Assessment

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Across
  1. 3. a large group of stars, planets,
  2. 4. light a form of light that carries more energy than visible light
  3. 7. the process that combines atoms and releases energy in a star
  4. 9. a group of stars that form a pattern
  5. 10. a scientist who made discoveries about inertia
Down
  1. 1. the proper name of the North Star
  2. 2. a set of connected parts that work together
  3. 5. a scientist who studies space
  4. 6. and dust stuck together by gravity
  5. 8. the distance that light can travel in one year