Definitions
There is 1 meaning of the phrase
Hubble's Constant.
Hubble's Constant - as a noun
(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
Synonyms (Exact Relations)
hubble's parameterhubble constanthubble parameter
