Space!

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Across
  1. 4. The sun is bright and very ___
  2. 5. Beware - this dark place might suck you in!
  3. 7. Red planet
  4. 9. Planet with rings
  5. 10. The planet nearest the sun
  6. 11. It rushes through space with a fiery tail
  7. 12. It might be a moon, or a spacecraft in orbit
  8. 14. This planet is almost as far away as n° 10
  9. 15. You can't breathe in space because there is no ___
Down
  1. 1. Jupiter has 4 big ones and lots of little ones
  2. 2. There are 8 of these in our solar system
  3. 3. The furthest planet from the sun
  4. 6. Outer space is cold and ___
  5. 8. Spaceship
  6. 9. Our sun is a ___
  7. 13. Tiny planet - or just a lump of rock