Astronomy

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Across
  1. 4. A large mass that orbits a star
  2. 6. When a star collapses, it can become a __________.
  3. 7. A large mass that generates it’s own heat and light.
  4. 8. A group of stars that resembles an image.
  5. 11. The Sun generates very extreme _________.
  6. 12. Holds things down.
  7. 13. A group of billions of stars and planets.
  8. 15. Earth _______s the Sun.
Down
  1. 1. A ________’s center is made of ice and chemicals.
  2. 2. Gives us all our energy.
  3. 3. This is the dust and debris in space that will eventually form a galaxy.
  4. 4. Another name for the North Star.
  5. 5. Some planets reach ___________s of 500 degrees.
  6. 9. Another name for any mass orbiting a planet. We have some that take pictures.
  7. 10. A person that travels into outer space.
  8. 14. Planets rotate on their __________s.