microwave background
Britishnoun
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 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
Arno Penzias at Bell Labs won the Nobel Prize in Physics for discovering “cosmic microwave background radiation” from the Big Bang.
From The Wall Street Journal • Mar. 29, 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
However, I and several other people showed that, at least in its original form, it predicted much greater variations in the temperature of the microwave background radiation than are observed.
From "A Brief History of Time: And Other Essays" by Stephen Hawking
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