Space Unit Review

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Across
  1. 2. This part of the sun is the hottest in part of our solar system.
  2. 5. The closest planet to the sun?
  3. 6. The most famous dwarf planet.
  4. 8. The largest planet in the solar system?
  5. 10. The Oort Cloud is the source of these.
  6. 11. A meteor that burns up in the Earth's atmosphere
  7. 13. Earth is the only place known place in the universe to have ________.
  8. 14. The "red planet?"
  9. 16. A remote controlled exploration vehicle.
  10. 17. The closest planet to Earth?
Down
  1. 1. Venus's atmosphere is made of this gas.
  2. 3. The coldest planet in the solar system?
  3. 4. The _________ telescope is the most famous space telescope.
  4. 7. The sun in made up of hydrogen and _____________.
  5. 9. A meteor that passes through the Earth's atmosphere and lands on its surface.
  6. 12. An uncrewed spacecraft that travels through space.
  7. 15. The largest dwarf planet.