expanding universe
Americannoun
Etymology
Origin of expanding universe
First recorded in 1930–35
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.
In an expanding universe, more distant galaxies generally recede more quickly because a greater amount of space lies between them and us.
From Science Daily ● Jul. 25, 2026
The theory began to take shape in the 1920s, when Georges Lemaître linked Edwin Hubble’s observations of receding galaxies with Alexander Friedmann’s earlier equations describing an expanding universe.
From The Wall Street Journal ● May 19, 2026
“In the quickly expanding universe of cases involving sanctions for the misuse of artificial intelligence, this case is a notorious outlier in both degree and volume,” Clarke wrote.
From Los Angeles Times ● Mar. 27, 2026
In other words, we're trying to find out the speed limit of the expanding universe, but some measurements have given us different answers.
From Salon ● Dec. 9, 2024
If the general picture of an expanding universe and a Big Bang is correct, we must then confront still more difficult questions.
From "Cosmos" by Carl Sagan
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.
