All About Space

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Across
  1. 2. A moon of Mars
  2. 5. Planet closest to the Sun
  3. 7. How many days it takes for a planet to go around the sun
  4. 8. 4th Planet from the Sun
  5. 11. 3rd planet from the Sun
  6. 12. The Star that our planets orbit around
  7. 13. Outer layer of Earth
Down
  1. 1. These robots have been exploring Mars
  2. 3. ___System
  3. 4. This planet is known as Earth's Twin
  4. 6. Helps keep our planet warm by holding in gases
  5. 9. This causes Mars to look red
  6. 10. This planet was named after the Roman God of War