Solar System -- Crossword

1234567891011121314151617181920212223242526
Across
  1. 3. Earth's outer layer
  2. 5. The fourth planet from the Sun
  3. 6. Venus is about 97% this gas, carbon __________ which keeps it hot
  4. 8. Center of the Sun
  5. 13. Scientist who discovered Jupiter's four largest moons
  6. 15. Eight __________ (not Pluto anymore) orbit the Sun
  7. 17. This planet probably has the fastest winds in the solar system
  8. 20. The hottest planet in the solar system
  9. 21. Piece of a meteor that has landed on Earth
  10. 22. The "crown" of the Sun only visible during a solar eclipse
  11. 23. This planet's poles gets 42 years of light, then 42 years of darkness
  12. 24. Force that attracts one body to another
  13. 25. Frozen water
Down
  1. 1. Venus as a super thick one
  2. 2. Icy bits and metal chunks that orbit Saturn and other planets
  3. 4. Seventh planet from the Sun
  4. 7. Elliptical paths of planets
  5. 9. Largest planet
  6. 10. Ball of ice, dust and gas
  7. 11. A solar ______ is a sudden blast of burning gas from the Sun
  8. 12. most famous planet for it's rings
  9. 13. ___________ effect, which keeps Earth warm
  10. 14. Planet closest to the sun
  11. 16. Gas created by Sun's nuclear reaction
  12. 18. Earth's satellite
  13. 19. The Sun is one of these
  14. 21. The layer of Earth below the crust
  15. 26. A crashing together of objects