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.
We used the hydrogen formation history found through these simulations to compute predictions for how cosmic microwave background should appear if there were primordial magnetic fields, and tested these predictions against observations of the background.
From Science Daily ● Oct. 4, 2026
The cosmic microwave background is extraordinarily sensitive to changes in recombination.
From Science Daily ● Oct. 4, 2026
To investigate which explanation better fits the evidence, the researchers analyzed ACT observations of the cosmic microwave background, or CMB.
From Science Daily ● Aug. 25, 2026
At the same time, studies of the cosmic microwave background have long suggested that matter could be more tightly clustered across the largest scales of the Universe than expected.
From Science Daily ● Aug. 2, 2026
The other looks much farther back in time, using the cosmic microwave background to estimate what the expansion rate should be today based on the standard model of cosmology.
From Science Daily ● Apr. 12, 2026
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.
