Cosmic time is the proper time measured by observers comoving with the homogeneous cosmological fluid. Constant-cosmic-time hypersurfaces are the homogeneous spatial slices of an FLRW spacetime.
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- Angular diameter distance in a flat power-law universe
- Closed matter-dominated Friedmann solution
- Conformal Hubble parameter
- Cosmological redshift
- Einstein-de Sitter photon flight time
- Hubble constant
- Hubble parameter
- Hubble's law
- Local cosmological tidal acceleration
- Open matter-dominated Friedmann solution
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- Scale factor (cosmology)
- Spherical turnaround from an unperturbed Hubble velocity
- Time-valued FLRW interval convention
- Vacuum-energy FLRW solution
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