Uranus and Neptune

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Across
  1. 1. neptune is slightly smaller and____ than Uranus
  2. 2. ___of Uranus is tipped so far that its north pole almost lies in its orbital plane.
  3. 3. Astronomers hypothesize Uranus was knocked
  4. 5. Uranus and Neptune have methane so it appears
  5. 7. When was Neptune discovered
  6. 10. They discovered only when____of star behind the rings dimmed
  7. 15. when did the great dark spot disappoint
  8. 16. uranus is the____largest diameter in our solar system
  9. 18. neptune cannot____life
  10. 19. neptune is the only planet of our solar system not visible to the ____
  11. 20. the great dark spot is a
  12. 21. Neptune is the___gas planet
  13. 25. Uranus is the____place from the sun
  14. 26. neptune orbit our Sun, a star, and eight____
  15. 28. Uranus was accidentally discovered
  16. 29. Neptune orbits the sun____km away
  17. 30. brightness and color from the surrounding atmosphere contributing to Uranus's
  18. 32. Uranus has____moons
  19. 33. neptune's atmosphere is made up mostly of hydrogen____and methane
  20. 34. Which moon has retrograde orbit
  21. 35. the core of Uranus
  22. 36. Uranus is 4 times larger than
  23. 38. what particles make up neptune's moons
Down
  1. 1. neptune____made of methane and ammonia ice
  2. 4. neptune's rings are not as visib
  3. 6. How many times larger than Earth is Neptune
  4. 7. Neptune has___moons
  5. 8. How many light and darkness
  6. 9. Which planet contains the great dark spot
  7. 11. when did voyager 2 pass Neptune
  8. 12. Which gas causes the geysers on Triton
  9. 13. The___speeds on Neptune are the most outstanding
  10. 14. Uranus is the_____ temperature in the solar system
  11. 17. astronomers_____that Uranus was knocked sideways by a massive collision
  12. 22. how many main rings does Neptune have?
  13. 23. the internal structure of Uranus
  14. 24. Uranus's moons are
  15. 27. The core of Neptune ia about___times the Earth
  16. 31. Uranus moved in its orbit and the ring blocked the
  17. 37. uranus rings are dominated by chunky boulders and may consist primarily of____