Space

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Across
  1. 2. A creature from a different planet
  2. 4. The layer of gases that are around our planet
  3. 9. A special type of clothes you need to wear when you go into space
  4. 11. A person who travels into space
  5. 13. A planet that could propose to somebody because it already has got a ring
  6. 14. A piece of rock from space that has landed on Earth
  7. 16. A very hot star, it has got a long tail of small pieces that can be seen
  8. 17. The force that attracts objects towards one another, especially the force that makes things fall to the ground
Down
  1. 1. Any planet's natural satellite
  2. 3. The planet we live on
  3. 5. The red planet
  4. 6. The Sun and the group of planets that move around it
  5. 7. The largest planet
  6. 8. The first dog that travelled into space
  7. 10. A hole in the surface of Earth made by something hitting the ground with force
  8. 12. We use it to see stars and planets
  9. 15. A vehicle used by astronauts to travel in space
  10. 16. A large group of stars