Space

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Across
  1. 2. A large group of stars, gas, and dust held together by gravity.
  2. 3. The vast, empty area beyond Earth's atmosphere.
  3. 6. The bright star at the center of our solar system.
  4. 7. A person who travels and works in space.
  5. 9. A celestial object with a tail that orbits the sun.
Down
  1. 1. The fourth planet from the sun, also known as the "Red Planet."
  2. 4. A celestial body that orbits the sun.
  3. 5. The third planet from the sun, our home.
  4. 6. A luminous ball of gas in space.
  5. 8. Earth's natural satellite that orbits around it.