megaparsec
Americannoun
Example Sentences
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Observations of the local Universe consistently point to a faster expansion rate of about 73 kilometers per second per megaparsec.
From Science Daily ● Apr. 12, 2026
The universe is still expanding, at a rate of 73 kilometers per second per megaparsec, a metric known as Hubble's constant.
From Salon ● Feb. 2, 2023
In their analysis, H0 comes out to be 73.04 ± 1.04 kilometers per second per megaparsec.
From Scientific American ● Apr. 18, 2022
We determine the Hubble constant to be about 70 kilometres per second per megaparsec.
From Nature ● Oct. 15, 2017
The constant is expressed in terms of kilometers per second per megaparsec.
From "A Short History of Nearly Everything" by Bill Bryson
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