Hubble's constant
английский
Значение Hubble's constant значение
Что в английском языке означает Hubble's constant?
Hubble's constant
—
существительное
(= Hubble constant)
(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
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