parameter : Idioms & Phrases
hubble parameter
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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
Hubble constant; Hubble's constant; Hubble parameter.
WordNet
hubble's parameter
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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
Hubble constant; Hubble's constant; Hubble parameter.