Hubble's constant
Americannoun
Etymology
Origin of Hubble's constant
First recorded in 1950–55; after E. P. Hubble
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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
Hubble’s constant – proposed by Edwin Hubble in the 1920s – reveals by how much.
From The Guardian • May 10, 2018
Astronomers express the value of Hubble’s constant in units that relate to how they measure speed and velocity for galaxies.
From Textbooks • Oct. 13, 2016
Lemaître also used data from others to derive the constant governing the expansion, known today has Hubble's constant.
From Scientific American • Jun. 27, 2011
Measured by Hubble's constant, which translates speed into distance, 3C-147 is about 4 billion light-years away from the earth.
From Time Magazine Archive
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
