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
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There are also several other alternative models that assume the density of dark energy has varied over the history of the Universe.
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Jennifer Ouellette, Ars Technica, 19 Mar. 2025
Another 500 zetta suns worth of mass is accounted for by dark matter, while 1,300 zetta suns worth of mass is accounted for by dark energy, the mysterious force driving the acceleration of the expansion of the cosmos.
—Robert Lea, Space.com, 18 Mar. 2025
The array of explosions also varied in terms of luminosity, which will aid researchers in their search for answers to dark energy and the acceleration of the universe.
—Jack Knudson, Discover Magazine, 14 Feb. 2025
This essentially implies that maybe dark energy is not a constant.
—Chase Hunter, Mercury News, 1 Apr. 2025
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Jennifer Ouellette, Ars Technica, 19 Mar. 2025
Another 500 zetta suns worth of mass is accounted for by dark matter, while 1,300 zetta suns worth of mass is accounted for by dark energy, the mysterious force driving the acceleration of the expansion of the cosmos.
—Robert Lea, Space.com, 18 Mar. 2025
The array of explosions also varied in terms of luminosity, which will aid researchers in their search for answers to dark energy and the acceleration of the universe.
—Jack Knudson, Discover Magazine, 14 Feb. 2025
This essentially implies that maybe dark energy is not a constant.
—Chase Hunter, Mercury News, 1 Apr. 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 21 Apr. 2025.
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