dark energy

noun

Definition of dark energy

: a hypothetical form of energy that produces a force that opposes gravity and is thought to be the cause of the accelerating expansion of the universe

Examples of dark energy in a Sentence

Recent Examples on the Web If dark energy strengthens, the Universe could rip apart. Ethan Siegel, Forbes, 17 June 2021 To add to the mystery, the dominant constituent of our universe is yet another invisible and immaterial entity, dark energy, comprising about 70 percent of the overall cosmic inventory. Priyamvada Natarajan, The New York Review of Books, 15 June 2021 That means that the amount of total dark energy changes over time. Don Lincoln, CNN, 3 June 2021 Machine learning, a form of AI that can analyze data for patterns, is used to identify objects while other supercomputer applications calculate their distance from each other and gather clues about dark energy. John Mccormick, WSJ, 4 June 2021 The universe may be explicable without dark energy. Rafil Kroll-zaidi, Harper's Magazine, 25 May 2021 The extreme precision offered by atom interferometry also ushers in the small possibility that signatures of exotic forces, perhaps those associated with some models of dark energy, could be spotted through the technique. Karmela Padavic-callaghan, Scientific American, 19 Mar. 2021 While there are a few unexplained phenomena (for example dark matter and dark energy), scientists have tested predictions of the standard model against measurements and the theory has passed with flying colors. Don Lincoln, Forbes, 7 Apr. 2021 This possible future is based on the assumption that the dark energy stays constant. Martin Rees, Scientific American, 18 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dark energy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dark energy

1998, in the meaning defined above

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Time Traveler for dark energy

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The first known use of dark energy was in 1998

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Statistics for dark energy

Last Updated

20 Jun 2021

Cite this Entry

“Dark energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dark%20energy. Accessed 22 Jun. 2021.

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