HPL Discovery: SPACE

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Across
  1. 3. acid rain and sulfur
  2. 8. a solid piece of debris that passed through the atmosphere
  3. 10. the dense blue gas god of the sea
  4. 11. the big blue Greek god of the sky
  5. 12. dramatic rings of ice and rock
Down
  1. 1. the biggest planet in our solar system
  2. 2. small, minor planets made of minerals, metal and ice
  3. 4. the farthest former planet
  4. 5. a great cloud of glowing gas lit by stars
  5. 6. a natural satellite of a planet
  6. 7. the red planet
  7. 8. small, speedy, hot and cold
  8. 9. intelligent life