Hubble constant
English
Alternative forms
- Hubble's constant
Etymology
After Edwin Powell Hubble, American astronomer
Proper noun
Hubble constant
- (astronomy) a number that expresses the rate of expansion of the universe; the velocity at which a distant object is receding from the Earth divided by its distance; its reciprocal gives the age of the universe
Translations
number
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Related terms
- Hubble law