The Solar System

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Across
  1. 3. a little chunk of rock in space
  2. 4. a planet that floats between stars or one that orbits a star outside our solar system
  3. 5. Objects that are round and orbit the sun, just like planets do.
  4. 8. the curved path that a planet, satellite or spacecraft moves
  5. 11. the circle around a planet or moon that is the same distance from its north pole and its south pole
  6. 13. Percy Jackson's dad
  7. 15. the streak of light caused when a meteoroid enters a planet's atmosphere
  8. 16. a natural object that travels around a bigger natural object
  9. 17. big hunks of rock and metal
  10. 19. the gases held by gravity around a planet
  11. 22. a large body in space that circles around the sun or another star
  12. 25. the star at the center of our solar system
  13. 27. one of the largest moons in the solar system
  14. 28. source of long-term comets
  15. 29. a force that pulls matter together
  16. 30. Exists thanks to Jupiter
Down
  1. 1. source of short-term comets
  2. 2. a meteoroid that lands on the surface of a planet
  3. 6. Where you live
  4. 7. Dirty snowballs
  5. 9. the other Martian moon
  6. 10. Has 4 Galilean Moons
  7. 12. a large bowl shaped dent in the ground caused by a meteorite
  8. 14. the constant stream of particles and energy emitted by the sun
  9. 15. The Red Planet
  10. 18. Roman Goddess of Beauty
  11. 20. The planet closest to the Sun
  12. 21. one of Mars moon's
  13. 22. A Disney dog
  14. 23. The Jupiter moon that has more water than Earth
  15. 24. Beyonce would love this planet
  16. 26. Stop pronouncing it wrong