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Hubble's constant
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noun Astronomy.
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 kilometers per second per megaparsec.
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Origin of Hubble's constant
First recorded in 1950ā55; after E. P. Hubble
Words nearby Hubble's constant
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, Ā© Random House, Inc. 2023