The Solar System

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Across
  1. 2. The planet we live on
  2. 5. These types of planets have small dense cores surrounded by massive layers of gas
  3. 7. The "Jewel" of the Solar System
  4. 10. Earth's closest planetary neighbor
  5. 11. The biggest planet
  6. 12. Terrestrial planets have a solid and ____ surface
Down
  1. 1. 16 hours in a day on this planet
  2. 3. Name of our galaxy
  3. 4. A small rocky or metallic body that becomes a ___ if it enters the Earth's atmosphere
  4. 6. What keeps the planets orbiting around the sun
  5. 8. May be a planet one day but not the next
  6. 9. The biggest star in our solar system