Space

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Across
  1. 1. Extremely dense object with gravity so strong that nothing can escape it, not even light.
  2. 4. The smallest planet in our solar system.
  3. 5. The largest planet in our solar system.
  4. 6. Used to be considered a planet of our solar system.
  5. 7. Combination of everything - it includes all of space, its' matter and energy.
  6. 11. A huge collection of stars, gas, and dust that are held together by gravity.
  7. 12. Earths' natural satellite.
  8. 13. The seventh planet from the Sun.
  9. 14. An independent agency of the U.S. government responsible for space research.
Down
  1. 2. The planet that dogs inhabit.
  2. 3. The planet furthest away from the Sun.
  3. 4. Often referred to as "The Red Planet".
  4. 8. The hottest planet in our solar system.
  5. 9. A natural body visible in the sky, especially at night that gives off light or shines by reflection.
  6. 10. The planet with its' signature rings.