HUBBLE CONSTANT
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Hubble Constant.
Hubble 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 constanthubble's parameterhubble parameterWord Variations & Relations
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Phrases
hubble's constant