All Questions
4
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What is the average recessional velocity of an object in the universe?
I’m trying to get a better grasp on cosmological horizons and have a question regarding recessional velocity. In particular:
What is the average recessional velocity of a cosmological object (...
- 487
1
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3
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59
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Indirectly breaking the speed of light through inflationary phase
How do you define velocity? Rate of change of "space" between two objects-and that will give relative velocity between them. Now in inflationary phase the universe expanded faster than light ...
- 483
0
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Why don't galaxies have larger peculiar velocities?
I am trying to reconcile two facts:
That galaxies' comoving velocities are generally close to zero, and
That the universe has no preferred reference frame.
Galaxies seem to move very little relative ...
- 373
0
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0
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144
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If time was speeding up, would it look like inflation?
The rate at which time passes depends on the gravitational potential.
From Wikipedia: "This is a direct result of gravitational time dilation - if one is outside of an isolated gravitational source, ...
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