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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The amount of dark energy that fits inside your bedroom, say, isn’t very strong.
—
Ross Andersen, The Atlantic, 30 May 2025
An international team of astronomers unveiled the most compelling evidence to date that dark energy — a mysterious phenomenon pushing our universe to expand ever faster — is not a constant force of nature but one that ebbs and flows through cosmic time.
—Katrina Miller, New York Times, 27 Mar. 2025
Scientists have long assumed that dark energy—which makes up nearly 70 percent of the universe—was a constant.
—Sara Hashemi, Smithsonian Magazine, 21 Mar. 2025
Featuring a 130-foot-wide (39.3m) mirror, the ELT will study the universe in visible light to provide a more detailed view of potentially habitable exoplanets, the formation of the first galaxies, supermassive black holes, and the nature of dark matter and dark energy.
—Samantha Mathewson, Space.com, 23 Apr. 2025
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Ross Andersen, The Atlantic, 30 May 2025
An international team of astronomers unveiled the most compelling evidence to date that dark energy — a mysterious phenomenon pushing our universe to expand ever faster — is not a constant force of nature but one that ebbs and flows through cosmic time.
—Katrina Miller, New York Times, 27 Mar. 2025
Scientists have long assumed that dark energy—which makes up nearly 70 percent of the universe—was a constant.
—Sara Hashemi, Smithsonian Magazine, 21 Mar. 2025
Featuring a 130-foot-wide (39.3m) mirror, the ELT will study the universe in visible light to provide a more detailed view of potentially habitable exoplanets, the formation of the first galaxies, supermassive black holes, and the nature of dark matter and dark energy.
—Samantha Mathewson, Space.com, 23 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 4 Jun. 2025.
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