hubble's constant

Hubble's constant

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Definitions of hubble's constant words

noun hubble's constant the ratio of the recessional velocity of galaxies to their distance from the sun, with current measurements of its value ranging from 50 to 100 km/sec per megaparsec. 1
noun hubble's constant Alternative spelling of Hubble constant. 0

before 1950

One of the 5% newest English words

First recorded in 1950-55; after E. P. Hubble

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adjective

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exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 2% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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