Hubble constant

Hub·​ble constant | \ ¦həbəl- \

Definition of Hubble constant

: a proportionality constant indicative of the rate of expansion of the universe that is used in relating the apparent velocity of recession of a distant galaxy and its distance

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History and Etymology for Hubble constant

after Edwin P. Hubble †1953 American astronomer

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Cite this Entry

“Hubble constant.” The Dictionary, Merriam-Webster Inc., Accessed 11 December 2019.

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heavy with or as if with moisture

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