microwave background

British  

noun

1. a background of microwave electromagnetic radiation with a black-body spectrum discovered in 1965, understood to be the thermal remnant of the big bang with which the universe began

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microwave background Scientific  

1. See cosmic background radiation

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Example Sentences

See Examples For:

microwave background

Although cosmic expansion and the microwave background have been studied extensively, measurements of primordial helium have historically received less attention.

From Science Daily ● Oct. 20, 2026

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

Under these conditions, relativistic electrons can lose energy more quickly as they interact with the cosmic microwave background.

From Science Daily ● Sep. 4, 2026

Scientists could also search the cosmic microwave background for subtle patterns that might preserve information from a time before the Big Bang.

From Science Daily ● Aug. 11, 2026

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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