Space

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Across
  1. 3. The star at the center of our solar system
  2. 5. Earth's natural satellite
  3. 7. A rocky object that orbits the Sun
  4. 8. The farthest planet from the Sun
  5. 13. The smallest planet and closest to the Sun
  6. 14. The galaxy that contains our solar system
  7. 15. The hottest planet in the solar system
  8. 18. Planet that spins on its side
  9. 19. A tool used to see far into space
  10. 21. A person who travels into space
Down
  1. 1. Everything that exists, including all space and time
  2. 2. A ball of ice and dust with a glowing tail
  3. 3. Planet with beautiful rings
  4. 4. The force that keeps planets in orbit
  5. 6. A huge collection of stars, gas, and dust
  6. 9. A vehicle that travels beyond Earth
  7. 10. The largest planet in our solar system
  8. 11. The path a planet takes around the Sun
  9. 12. A big round object that orbits a star
  10. 13. The red planet
  11. 16. Huge balls of burning gas in space
  12. 17. A machine that blasts off into space
  13. 20. The planet we live on