cosmic microwave background
CulturalDiscover More
This radiation is sometimes referred to as the “echo” of the Big Bang.
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.
"Observations of galaxies and the cosmic microwave background suggest that some kind of dark matter exists," says Baker.
From Science Daily ● Apr. 8, 2026
They used measurements of the cosmic microwave background to estimate how matter was distributed shortly after the Big Bang.
From Science Daily ● Mar. 6, 2026
However, interest in evolving dark energy was vigorously rekindled last year from the combination of supernovae, baryon acoustic oscillation, and cosmic microwave background data from the DES, DESI, and Planck experiments.
From Science Daily ● Nov. 4, 2025
Throughout the decades, numerous observations of how dust, gas, and ripples in the cosmic microwave background, or the leftover radiation from the primordial plasma of the universe, moved indicated that dark matter exists.
From Salon ● Dec. 26, 2024
The second method, called the early relic method, involves measuring the leftover light from the Big Bang in what is called the cosmic microwave background.
From Salon ● Dec. 9, 2024
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.
