The origins of the universe
- Created by: raheltiara
- Created on: 05-01-16 12:27
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The origins of the universe
The expanding universe
Light from a distant galaxy is red-shifted to longer wavelengths.
The most distant galaxies are about 13000 million light years away.
The universe is expanding.
The big bang
The universe started with the big bang, a massive explosion from a very small point.
Background microwave radiation is radiation created just after the big bang.
Looking into space
The earths atmosphere absorbs…
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