cosmological constant
noun
: a constant term used in the relativistic equations for gravity to represent a repulsive force which may account in part for the rate of expansion of the universe
Examples of cosmological constant in a Sentence
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The cosmological constant is supposed to be constant over time in the LCDM model.
—
Robert Lea, Space.com, 31 Dec. 2024
But the combination of cosmological constant and baby universes can match the data better than a scenario where baby universes don’t exist, and the scenario involving both a small cosmological constant and merging can relieve a big chunk of the Hubble tension.
—Discover Magazine, 25 Sep. 2024
One is that dark energy is a cosmological constant, an unchanging property of space, which would mean that the universe will continue to expand indefinitely, sweeping far-off objects forever beyond our local point of view.
—Stephanie Pappas, Scientific American, 8 Nov. 2023
The masses of the postulated dark gravitons are, roughly speaking, an integer times a constant, M, whose value is tied to the cosmological constant.
—Steve Nadis, WIRED, 25 Feb. 2024
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Robert Lea, Space.com, 31 Dec. 2024
But the combination of cosmological constant and baby universes can match the data better than a scenario where baby universes don’t exist, and the scenario involving both a small cosmological constant and merging can relieve a big chunk of the Hubble tension.
—Discover Magazine, 25 Sep. 2024
One is that dark energy is a cosmological constant, an unchanging property of space, which would mean that the universe will continue to expand indefinitely, sweeping far-off objects forever beyond our local point of view.
—Stephanie Pappas, Scientific American, 8 Nov. 2023
The masses of the postulated dark gravitons are, roughly speaking, an integer times a constant, M, whose value is tied to the cosmological constant.
—Steve Nadis, WIRED, 25 Feb. 2024
See All Example Sentences for cosmological constant
Cite this Entry
“Cosmological constant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmological%20constant. Accessed 21 May. 2025.
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