Origins of the universe
- Created by: AliceNorton
- Created on: 29-11-14 20:56
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- Physics Origins of the universe
- Red-shift
- Evidence for a generally expanding universe.
- The further from us a star is, the more its light is red-shifted.
- Distant galaxies are moving away from us.
- The further away a galaxy is, the faster it's moving away.
- Distant galaxies are moving away from us.
- Doppler effect
- When a source moves towards an observer, the observed wavelength decreases and the frequency increases.
- When a source moves away from an observer, the observed wavelength increases and the frequency decreases.
- The Big Bang Theory
- 13.7 billion years ago
- All matter in the universe was concentrated into a single incredibly tiny point
- Enlarged rapidly in a hot explosion
- CMBR
- Heat left over from the Big Bang
- There are microwaves coming from every direction in space.
- Untitled
- Red-shift
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