Astronomy

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Across
  1. 2. An object that orbits a planet
  2. 5. The 8th planet from the sun
  3. 6. the second planet from the sun
  4. 9. 3.26 light years
  5. 11. The force acting on objects bringing things to the centre of the planet.
  6. 12. the 7th planet from the sun
  7. 13. A celestial gathering, our sun and all the planets in our ______ ________.
  8. 18. the 5th planet from the sun
  9. 19. The 6th planet from the sun
Down
  1. 1. the force acting on an object caused by gravity
  2. 3. The distance light travels in a year
  3. 4. the orbit of a satellite that follows the Earths spin
  4. 7. the orbit a satellite takes that goes from north to south
  5. 8. The distance fro Earth to the Sun
  6. 9. Was considered a planet but is now a dwarf planet
  7. 10. the 3rd planet from the sun and our planet
  8. 14. A satellite made by man
  9. 15. The 4th planet from the sun
  10. 16. the first planet from the sun
  11. 17. A satellite that was formed in space and enters orbit