Space Science

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Across
  1. 7. Two orbiting stars
  2. 8. A cloud of gas and dust
  3. 11. We can't see it, but we detect its mass
  4. 12. Has a tail
  5. 15. The most common element in the universe
  6. 16. Literally "between stars." Also a movie.
  7. 17. The start of everything
  8. 18. A burst of energy from a star. Happens on the Sun.
  9. 20. A sizable space rock
  10. 24. The city-sized leftover of an exploded star
  11. 25. Everything everywhere
  12. 26. Exploding star
Down
  1. 1. Used to see broken bones
  2. 2. Has the strongest gravity
  3. 3. Earth is one
  4. 4. It's pushing the universe apart
  5. 5. Earth's annual travel
  6. 6. The Milky Way is one
  7. 9. Newton found it with an apple
  8. 10. A world outside our solar system
  9. 13. When one object hides another
  10. 14. Cosmic outflow or aircraft
  11. 16. A longer wavelength than visible light
  12. 19. A measure of distance, not time
  13. 21. Our Sun is an average one
  14. 22. Jupiter has 79
  15. 23. A rapidly spinning neutron star