Space Exploration

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Across
  1. 1. The force that keeps us on the ground
  2. 3. A place where astronauts live and work in space
  3. 4. The natural satellite of Earth
  4. 5. A vehicle used to travel into space
  5. 7. The first planet from the Sun
  6. 8. The star at the center of our solar system
Down
  1. 2. A person who travels into space
  2. 6. Our home planet
  3. 7. The fourth planet from the Sun