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Hubble constant

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Hubble constant [′həb·əl ‚kän·stənt]
(astrophysics)
The rate at which the velocity of recession of the galaxies increases with distance; the value is about 70 kilometers per second per megaparsec (or 2.3 × 10-18s-1) with a relative uncertainty of about ± 10%.
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Q: So the Hubble constant is a measure of the expansion rate of the universe?
Cosmologist sheds light on Hubble constant by The Star (Amman, Jordan)
The observation is a key element of a major effort to measure the expansion rate of the Universe, known as the Hubble Constant, with greatly improved precision.
Radio astronomers demonstrate vital tool for unraveling mystery of ... by Asian News International
The Hubble Space Telescope helped to better the estimates of the Hubble constant to reduce errors from 50 percent and bring such errors down to a meager ten percent.
The Hubble Space Telescope Brings Us the Universe by Ann Marier / Computers and Internet community
 
 
 
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