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megaparsec

   Also found in: Dictionary/thesaurus 0.01 sec.
megaparsec [‚meg·ə′pär‚sek]
(astronomy)
A unit equal to 1,000,000 parsecs.
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26 million light-years, then we'll stick with megaparsec as the record-holder.
Webster's third book of records by Francis, Darryl / Word Ways
Using four different ways to measure distances in the cosmos, the astronomers find a Hubble constant of 70 kilometers per second per megaparsec.
Hubble Telescope Dates the Universe by Cowen, R. / Science News
At the meeting, Freedman reported a Hubble constant of about 73 kilometers per second per megaparsec, which corresponds to a universe between 9 and 12 billion years old.
Age of the cosmos: a first consensus by Cowen, Ron / Science News
 
 
 
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