megaparsec
Americannoun
Example Sentences
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Their findings, published on April 10 in Astronomy & Astrophysics, place the Hubble constant at 73.50 ± 0.81 kilometers per second per megaparsec, achieving a precision slightly better than 1%.
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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