Journey into space

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Across
  1. 3. Mercury,Venus,Earth,Mars,...
  2. 7. The astronauts live in there.
  3. 9. Children are playing with them.
Down
  1. 1. Vehicle that can travel through space space.
  2. 2. Sun.
  3. 4. Or cosmonaut.
  4. 5. Is the star at the center of the Solar System.
  5. 6. Is the only natural satellite of the Earth.
  6. 7. Moon.
  7. 8. We live on it.