cosmic microwave background
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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.
As a result, the enhanced clustering does not create a stronger gravitational imprint on the cosmic microwave background.
From Science Daily ● Aug. 2, 2026
The cosmic microwave background — the afterglow of the Big Bang — shows a small but persistent asymmetry: a preference for one spatial orientation over its mirror image.
From Science Daily ● May 22, 2026
The second method looks at the early universe by studying the cosmic microwave background, the faint radiation left over from the Big Bang.
From Science Daily ● Apr. 29, 2026
They’ve measured the cosmic microwave background, or leftover radiation from the Big Bang, with extremely high precision to help paint a picture of the first nanoseconds of the universe.
From Salon ● Jan. 17, 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
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.
