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10 Cards in this Set
- Front
- Back
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Our local group |
Poor |
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Our local supercluster |
Rich |
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Cosmological redshift |
Moving away from Earth, farther distances |
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70 km / MPC The rate the universe expands. Recessional velocity divided by distance |
Hubble's Constant |
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Redshift is proportional to distance. If you know the redshift you can figure out the distance. |
Hubble's Law |
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Cosmological principle |
The laws of physics are unchanging |
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Galaxies are moving into expanding space |
Isotropic |
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The Unbound universe will continue to expand |
Critical density |
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The universe expanded faster than the speed of light for a fraction of a second |
Inflation |
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Gamma rays from The Big Bang now microwaves |
Cosmic background radiation |
