space & stuff

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Across
  1. 3. Our galaxy
  2. 5. Mexicans
  3. 8. Believed to exist all through-out the universe
  4. 10. Something with a gravity so dense that not even light can escape
  5. 11. something that orbits a planet
Down
  1. 1. Biggest theory about space
  2. 2. the (believed) beginning of the universe
  3. 4. people that explore space
  4. 6. the effect when stars collapse
  5. 7. Our planet
  6. 9. Small, rocky objects that orbit the sun and usually crash into planets