cosmic microwave background

noun

Examples of cosmic microwave background in a Sentence

Recent Examples on the Web 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, 1 Dec. 2023 The cosmic microwave background was first observed half a century ago, a serendipitous hiss picked up by an antenna in Holmdel, N.J. Kenneth Chang, New York Times, 3 June 2024 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 See all Example Sentences for cosmic microwave background 

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 4 Jul. 2024.

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