Space vocabulary

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Across
  1. 3. to invent something
  2. 4. the universe as a whole
  3. 7. a satelite that orbits the earth
  4. 8. to become extinct
  5. 9. the people that work are in the space ship
  6. 11. it means you have none of x thing amymore
  7. 12. the planets orbiting around the sun form this
Down
  1. 1. our solar system plus other solar systems
  2. 2. a vehicle used for space travel
  3. 5. made by humans, not by nature
  4. 6. to suddenly find something or someone you weren´t looking for
  5. 10. a hole in a planet