inner and outer vocab

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Across
  1. 2. smaller moon of mars
  2. 3. fast flowing narrow currents of gas in a planets atmosphere
  3. 7. a steep slope or cliff on a planetary surface
  4. 11. 4 largest moons of jupiter
  5. 12. minimum distance a smaller celestial body can orbit a large one without being torn apart
  6. 15. the 4 planets outside of the asteroid belt
  7. 16. a massive, ancient impact crater on Mercury
  8. 17. largest moon of saturn
  9. 18. Jupiter's largest moon
Down
  1. 1. the planets that are inside the asteroid belt
  2. 4. Neptune's largest moon
  3. 5. a large, continent sized region in the northern hemisphere of venus
  4. 6. dissociation of a chemical compound by the action of light
  5. 8. a disk of small particles orbiting a planet
  6. 9. large inner moon of mars
  7. 10. largest canyon in the solar system
  8. 13. sends radio waves to celestial bodies and analyzes returning echos to understand their properties
  9. 14. the largest volcano and tallest planetary mountain in the solar system