Space

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Across
  1. 4. Orbits a planet
  2. 7. The largest planet
  3. 9. Where the largest volcano is
  4. 10. The hottest planet
Down
  1. 1. When the moon blocks the sun
  2. 2. Half the Earth
  3. 3. One of the gases on the sun
  4. 5. The imaginary line around the middle of the Earth
  5. 6. The last name of the most famous astronaut
  6. 8. What Russians call their space explorers