Crossing Space

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Across
  1. 2. The planet we live on.
  2. 4. It has many planets and stars inside.
  3. 6. These people are not from Earth.
  4. 7. You can use this to travel in space.
  5. 9. A cold rock moving through space. It has a tail.
Down
  1. 1. All of space. There are many galaxies inside.
  2. 3. A large round rock that moves around the sun.
  3. 5. A person who goes to space.
  4. 8. A grey rock that moves around the Earth. You can see it at night.