IPC: Space Scientists

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Across
  1. 2. The position of the Sun within our Solar System
  2. 8. Adjective to describe Saturn's ring system
  3. 10. The size of Jupiter in the Solar system
  4. 12. The only planet known to have life
  5. 13. What happens to a comet's appearance as it approaches the Sun?
Down
  1. 1. Pluto was reclassified as this after 2006
  2. 3. The moon is a satellite formed by nature not humans
  3. 4. The path a planet follows around the Sun
  4. 5. Tiny rocky objects mostly found between Mars and Jupiter
  5. 6. The Red Planet
  6. 7. The closest planet to the Sun
  7. 9. A celestial body, like Earth or Mars, moving around a star
  8. 11. An icy object that grows a tail when near the Sun