BigBang/Nebula

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Across
  1. 2. Spinning flat portion of the nebula
  2. 4. Form around the central nebula, away from the star
  3. 5. Law showing that galaxies are moving away from each other
  4. 7. Hubble's Law proved that the Universe is________
  5. 9. Temperature or heat left over from the Big Bang
  6. 11. Hubble's laws shows a ________in color spectrum
  7. 13. Attractive force that causes material to accumulate
  8. 14. Forms in the center of the nebula after fusion begins
  9. 15. A hypothesis that has survived testing and criticism, usually supported by a consensus
  10. 16. Empty part of the Universe
Down
  1. 1. anything with_______produces gravity
  2. 2. Scientific principle where approaching object compress light waves and exiting objects stretch light waves
  3. 3. Theory stating that all matter originated from one point
  4. 5. Abbreviation for the two elements produced by the Big Bang
  5. 6. Composition of our early solar system
  6. 8. Objects moving away from the Earth show a _______in spectrum
  7. 10. It is assumed that the Universe goes on forever, it is _______
  8. 12. Theories are not to be taken lightly, there is plenty of _____ supporting them