The Solar System 4-1

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Across
  1. 1. The largest object in the solar system
  2. 2. The number of planets in our solar system
  3. 6. Envelope of gas surrounding an object in space
  4. 8. The outer layer of the sun's atmosphere
  5. 9. Large object in space that orbits the sun
  6. 10. The sun is this
Down
  1. 1. Dark areas on the sun's surface
  2. 3. The solar system is held together by this
  3. 4. Orbits the sun the fastest
  4. 5. Natural satellite that orbits a planet
  5. 7. The does not have a ____ surface.
  6. 11. The sun's atmosphere has this many layers