Week 12

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Across
  1. 3. A region in space with extremely strong gravitational pull
  2. 6. The vast expanse beyond Earth's atmosphere
  3. 9. A person who travels and works in space
  4. 11. The star at the center of our solar system
  5. 12. A vehicle propelled by engines that can travel into space
Down
  1. 1. A massive system of stars, dust, and gas held together by gravity
  2. 2. A celestial body that orbits around a star
  3. 4. The third planet from the Sun, where we live
  4. 5. A small object that burns up upon entering Earth's atmosphere
  5. 6. A bright, glowing ball of gas in space
  6. 7. Earth's natural satellite that orbits around it
  7. 8. An instrument used to observe distant objects in space
  8. 9. A creature from another planet or world
  9. 10. A celestial object made of ice and dust that orbits the Sun