Life Out There

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Across
  1. 2. A vehicle that can go to space.
  2. 4. The _____ on our planet lets us breathe and survive.
  3. 6. The _____ for life on other planets is exciting!
  4. 7. The 'Milky Way' is the name of our _____.
  5. 10. _____ may live on other planets.
  6. 11. A space _____ orbits Earth.
Down
  1. 1. Mars is the fourth planet in our _____ system.
  2. 3. A _____ has travelled to the moon
  3. 5. Scientists collect _____ on the universe.
  4. 8. A person who works and travels in space.
  5. 9. Earth is the name of our _____.