Lost in space

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Across
  1. 1. Saturns has got these.
  2. 3. This is the closest planet to the Sun.
  3. 5. This is the planet were whe live.
  4. 6. This is a big ball of rock and ice that travels through space.
  5. 7. Someone who works in space.
  6. 8. This is the hottest planet.
Down
  1. 1. You use this to travel to space.
  2. 2. There are 8 of these.
  3. 3. This is a small rock that falls to Earth from space.
  4. 4. This is the biggest planet.
  5. 7. This is a group of rocks between Mars and Jupiter.
  6. 9. This is the furthest planet from the Sun.