Hubble parameter

A Dictionary of Earth Sciences | 1999 | 228 words | Copyright

Hubble parameter (H₀) A measure of the rate at which the recessional speed of galaxies varies with distance, calculated from Hubble's law; H₀ = 50−100 km/s/Mpc (megaparsec). This was formerly known as the Hubble constant.

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AILSA ALLABY and MICHAEL ALLABY. "Hubble parameter." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "Hubble parameter." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O13-Hubbleparameter.html

AILSA ALLABY and MICHAEL ALLABY. "Hubble parameter." A Dictionary of Earth Sciences. 1999. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Hubbleparameter.html

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