Black Hole

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Across
  1. 3. star/formed when a massive star runs out of fuel and collapses
  2. 5. disk/a disliked flow of gas, plasma, dust, or particles
  3. 8. continuous area or expose which is free and unoccupied
  4. 10. condition in which gravity is predicted to be so intense that spacetime itself would break down catastrophically
  5. 11. horizon/the spherical outer boundary of a black hole loosely considered to be its "surface"
  6. 13. fixed luminous point in the night SKU which is a large remote body like the sun
  7. 14. the pressure inside and outside an object vary so much that the object is crushed, or collapses in on itself
  8. 15. substance that has mass and occupies space
Down
  1. 1. force by which a planet or other body draws objects toward its center
  2. 2. space, matter, and energy
  3. 4. fusion/ two light nuclei merge from a single heavier nucleus
  4. 6. explosion of a star that causes the star to shine a million times brighter than before
  5. 7. hole/a place in space where gravity pulls so much that even light cannot get out
  6. 9. velocity/ the speed at which an object has to travel to completely overcome the moon's gravity
  7. 12. system/one is which two stars orbit around a common center of mass