Sub Work Astronomy Crossword

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Across
  1. 7. A natural satalite
  2. 8. Planets found outside our solar system
  3. 12. The path around a star.
  4. 13. Dense cloud of dust and gas.
  5. 15. Jupiter Saturn Uranus Neptune
  6. 17. Number of stars in the universe
  7. 18. Each gas giant has these
  8. 21. Planet with largest ring system
  9. 22. _____ pull causes a wobble
  10. 25. light that hits a planet from a star
  11. 26. Spin around an axis
  12. 27. One complete rotation
  13. 28. Planet with thick clouds of sulfuric acid.
  14. 30. Once gas found in Uranus and Neptune
  15. 32. One gas found in Jupiter and Saturn
Down
  1. 1. A large object that orbits a star.
  2. 2. Nickname for Venus
  3. 3. Made up of sun, planets and smaller objects
  4. 4. Planet with water vapor, ammonia, and methane
  5. 5. planets do not do this because they dont undergo nuclear fusion
  6. 6. Rings are made of these
  7. 9. Gas giants do not have these
  8. 10. Planet that contains hydrogen and helium
  9. 11. What astronomers look for in a star's movement to tell if it has planets
  10. 14. An invisible line that runs through the center of a planet
  11. 15. Squeezes matter into a spherical shape to make a planet.
  12. 16. _______ planets are solid rocky planets
  13. 19. largest of terrestrial planets
  14. 20. Light and heat
  15. 23. Earth in latin
  16. 24. Layer of gas around a planet
  17. 29. Smallest terrestrial planet
  18. 31. Gas giants compared to Earth