Black Holes

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Across
  1. 5. suggests that a black hole leads to a new place
  2. 6. the point of the black hole where nothing can escape
  3. 9. the largest type of black hole
  4. 10. the biggest a high mass star gets before it explodes
  5. 11. a region around a black hole were light and energy can get through
  6. 12. the force that pulls all objects in it downward
  7. 13. the fuel that a star burns
Down
  1. 1. a system with two orbiting stars
  2. 2. a star that is in the main sequence of stars
  3. 3. the displacement of spectral lines toward longer wavelengths in radiation from distant galaxies
  4. 4. the smallest type of black hole
  5. 7. the type of star that has the highest mass
  6. 8. mathematical representation of a black hole
  7. 9. the explosion of a high mass star that happens at the end of the star's life