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