Our Solar System

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Across
  1. 2. planet after Saturn and before Neptune
  2. 3. the unit of force
  3. 4. said that Earth in center of solar system
  4. 6. number of AU's from Sun to Earth
  5. 9. its in the middle of our Solar System
  6. 15. technically a dwarf planet, Mickey Mouse named his dog after it!
  7. 16. how Greeks first described planets
  8. 18. an object in orbit
  9. 19. a measure of one rotation for a planet
  10. 20. gravity will be like this with larger masses and smaller distances
  11. 23. 2nd largest planet in our Solar System
  12. 26. name of our star
  13. 27. planet closest to Sun
  14. 29. largest planet in our Solar System
  15. 31. gas giants have A LOT of them
  16. 33. stuff between Mars and Jupiter that didn't have enough mass for a planet
  17. 35. shape of orbits
  18. 36. he was first to propose that planets orbit the Sun
  19. 38. orbiting the Sun
Down
  1. 1. a measure of distance used in our solar system
  2. 5. spinning about axis
  3. 7. the plane that all planets orbit the Sun upon
  4. 8. last planet in our Solar System
  5. 9. Sun and all of the objects that are bound by gravity to the Sun
  6. 10. all gas giants have them
  7. 11. planet we can see now, VERY BRIGHT!
  8. 12. forward motion of an object
  9. 13. a massive object orbiting a star, like our Sun
  10. 14. Earth just has one
  11. 17. a measure of one revolution for a planet
  12. 21. the type of planets that are closest to the Sun
  13. 22. the type of planets furthest from the Sun
  14. 24. the direction all planets revolve
  15. 25. the Sun has the most and it keeps our planets in orbit
  16. 28. planet between Mercury and Earth
  17. 30. imaginary line that passes through the center of a planet from pole to. pole
  18. 32. our planet
  19. 34. sometimes called the red planet
  20. 37. the element that makes Mars red