Jonathan Rodriguez

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Across
  1. 5. massive stars
  2. 7. is a remnant of a supernova
  3. 9. is the fourth planet from the Sun
  4. 10. is the closest planet to the Sun
Down
  1. 1. is the next closest planet to the Sun, but is the
  2. 2. is the first of the outer planets, beyond Mars
  3. 3. is the third planet from the Sun
  4. 4. cools for eons until it is too cold to emit light
  5. 6. is a huge assemblage of stars, interstellar gas, and dust.
  6. 8. what remains when a supergiant star collapses into itself