Words of the universe.

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Across
  1. 4. Earth has 1, it’s very known.
  2. 6. Lots of rings
  3. 9. The thing every planet orbits
  4. 10. The people that go into space
  5. 11. a big mettle object that goes into space for exploration and to find out more of our universe.
  6. 13. An invisible line that goes through the centre of our earth
  7. 15. The red planet
  8. 16. Our galaxy
  9. 17. The Way a planet spins
Down
  1. 1. Farthest planet from the sun
  2. 2. Mercury, Venus, Earth, and Mars.
  3. 3. Jupiter, Saturn, Uranus, Neptune
  4. 5. A spot in space with gravity so strong no light can escape
  5. 7. How a planet travels around the sun
  6. 8. 28 known moons
  7. 9. Massive glowing balls of plasma in the sky
  8. 12. A space rock that burns up brightly as it enters Earth's atmosphere
  9. 14. The planet we live on