Hubble constant
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English[edit]
Alternative forms[edit]
Etymology[edit]
After Edwin Powell Hubble, American astronomer
Proper noun[edit]
- (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 determines the age of the universe.
Related terms[edit]
Translations[edit]
number
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