Ch 22 Earth-Space

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Across
  1. 3. Cool, dark areas on the surface of the Sun.
  2. 4. The 4 larger outer planets, composed mainly of hydrogen and helium.
  3. 7. Small, icy objects that have elliptical orbits around the Sun.
  4. 9. Light particles.
  5. 10. Zone of the Sun that is immediately surrounding the core.
  6. 11. Glowing sphere of gas that produces light.
  7. 13. Units that measure the distances in the Solar System.
Down
  1. 1. Visible surface of the Sun.
  2. 2. Celestial object orbiting around a star that has cleared its path of smaller objects.
  3. 5. The Sun and all of the objects that revolve around it.
  4. 6. Rocky objects that orbit the Sun.
  5. 7. Zone of the Sun that surrounds the radiative zone.
  6. 8. Star for our solar system.
  7. 12. Outermost part of the Sun's atmosphere.