dark energy
noun
: 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
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This essentially implies that maybe dark energy is not a constant.
—
Chase Hunter, Mercury News, 1 Apr. 2025
But if dark energy weakens and the universe’s expansion slows and reverses, the cosmos will start to close in on itself instead—and eventually collapse.
—Sara Hashemi, Smithsonian Magazine, 21 Mar. 2025
The images are expected to deliver new perspectives on dark matter and dark energy, concepts that are thought to facilitate the evolution of galaxies and account for 95 percent of the universe.
—Jack Knudson, Discover Magazine, 19 Mar. 2025
Their results should further clarify whether dark energy is running out of steam.
—Charlie Wood, Quanta Magazine, 19 Mar. 2025
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Chase Hunter, Mercury News, 1 Apr. 2025
But if dark energy weakens and the universe’s expansion slows and reverses, the cosmos will start to close in on itself instead—and eventually collapse.
—Sara Hashemi, Smithsonian Magazine, 21 Mar. 2025
The images are expected to deliver new perspectives on dark matter and dark energy, concepts that are thought to facilitate the evolution of galaxies and account for 95 percent of the universe.
—Jack Knudson, Discover Magazine, 19 Mar. 2025
Their results should further clarify whether dark energy is running out of steam.
—Charlie Wood, Quanta Magazine, 19 Mar. 2025
See All Example Sentences for dark energy
Cite this Entry
“Dark energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dark%20energy. Accessed 9 Apr. 2025.
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