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Noun: Hubble parameter
  1. (cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer; the Hubble constant is not actually a constant, but is regarded as measuring the expansion rate today
    - Hubble's constant, Hubble constant, Hubble's parameter

Type of: constant

Encyclopedia: Hubble parameter

Nearest

Huaynaputina
hub
Hub of the Universe
hub-and-spoke
hub-and-spoke system
Hubbard
hubbard squash
Hubble
Hubble constant
Hubble law
Hubble parameter
hubble-bubble
Hubble's constant
Hubble's law
Hubble's parameter
hubbly-bubbly
hubbub
hubby
hubcap
Hubei
Hubei province