cosmic microwave background

noun

Examples of cosmic microwave background in a Sentence

Recent Examples on the Web However, the team argues in the paper that a constellation of several LISA-like detectors would be able to combine information from the cosmic microwave background and the SGWB to effectively isolate anisotropies. Jackie Appel, Popular Mechanics, 2 Apr. 2023 That has the potential to provide a new view into the earliest history of the Universe, one that's completely independent of the cosmic microwave background. John Timmer, Ars Technica, 25 Jan. 2024 That light — the cosmic microwave background, or CMB — reveals those early pressure waves, just as the surface of a frozen lake holds onto the overlapping crests of waves frozen in time, Poulin-Détolle said. Quanta Magazine, 19 Jan. 2024 In the new study, astronomers analyzed how the cosmic microwave background — a relic of radiation initially produced by the infant universe — was distorted by dark matter some 12 billion years ago. Sam Walters, Discover Magazine, 3 Aug. 2022 The draft report also highlighted a need to invest in next-generation experiments probing the nature of subatomic particles called neutrinos; the cosmic microwave background, relic radiation from the Big Bang; and dark matter, the gravitational glue holding galaxies together. Katrina Miller, New York Times, 7 Dec. 2023 One way to calculate the constitution of the universe is by studying the cosmic microwave background (CMB), the phenomenon discovered in 1964 that transformed cosmology into a science. Richard Panek, Scientific American, 14 Nov. 2023 In roughly the same span of time, observations of the big bang’s afterglow—the cosmic microwave background—have shown that even the ordinary atomic matter that forms planets and people alike constitutes no more than 5 percent of the cosmic mass and energy budget. Mario Livio, Scientific American, 19 Apr. 2023 That's because of the cosmic microwave background radiation, the afterglow of the Big Bang that pervades the universe, discovered in 1964. Jennifer Ouellette, Ars Technica, 23 Nov. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cosmic microwave background.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1981, in the meaning defined above

Time Traveler
The first known use of cosmic microwave background was in 1981

Dictionary Entries Near cosmic microwave background

cosmic dust

cosmic microwave background

cosmic noise

Cite this Entry

“Cosmic microwave background.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmic%20microwave%20background. Accessed 23 Apr. 2024.

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