Space

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Across
  1. 3. one of Venus' moons that has oxygen
  2. 6. the study of the universe beyond earth's atmosphere
  3. 8. planets that can contain life are _______
  4. 9. extraterrestrial life
Down
  1. 1. life needs _______
  2. 2. gasses surrounding a star/planet
  3. 4. scientists who study space
  4. 5. humans will find aliens in the next _______
  5. 7. there are over 300 _______ habitable planets
  6. 10. international space centre