big bang vocab

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Across
  1. 4. what stars like the Sun become after they have exhausted their nuclear fuel.
  2. 5. a function takes an infinite value in space-time when matter is infinitely dense at the center of a black hole.
  3. 8. The spectrum that is divided into separate bands, with different names for the electromagnetic waves from low to high frequency like radio waves, microwaves, ect.
  4. 10. A group of stars seen as forming a figure or design in the sky
  5. 11. every object in the universe attracts every other object in the universe.
  6. 12. a system of stars, gas, dust, and dark matter bound together by gravity.
Down
  1. 1. the change in the frequency of a light wave depending on whether an object is moving toward or away from us.
  2. 2. theory that describes how the universe expanded from an initial state of high density and temperature
  3. 3. when hydrogen and helium mix it creates what
  4. 6. a unit of measurement equal to the distance from the center of the earth to the center of the sun.
  5. 7. an instrument that makes distant objects appear closer
  6. 9. the study of everything in the universe beyond Earth's atmosphere.