Space

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Across
  1. 1. What is a neutron star?
  2. 4. what is made of stars, gas, dust and dark matter bound together by gravity?
  3. 5. what planet is the largest'
  4. 8. What causes gravity?
  5. 11. which planet is known as the "Blue planet"?
  6. 13. A creature from outer space
  7. 15. What is the largest structure in the universe?
  8. 16. What are stars made of?
  9. 17. which planet is farthest away from the solar system?
Down
  1. 2. What are galaxies?
  2. 3. which planet is the hottest?
  3. 6. What is an asteroid belt?
  4. 7. Which planet has the most moons?
  5. 9. What does the Milky Way consist of?
  6. 10. which other planet could a houman probably live on?
  7. 12. What are stars primarily made of?
  8. 14. stars What are galaxies?