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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The South Pole Telescope has also helped astronomers probe the nature of dark energy, map galaxy clusters and help look at large-scale structures of the cosmos.
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Kenna Hughes-Castleberry, Space.com, 8 Sep. 2025
Moreover, neither of these scenarios, nor the now-default direct collapse scenario, can do anything to either alleviate the Hubble tension or to explain the puzzles associated with large-scale structure observation and its implications for dark energy or for neutrino masses.
—Ethan Siegel, Big Think, 2 Sep. 2025
To decode the mysterious forces of dark matter and dark energy.
—Bernard Marr, Forbes.com, 24 July 2025
There was all sort of bizarre things going on, and there were lots of observations in cosmology that were beginning to support the idea of inflation, dark energy, and so forth.
—Quanta Magazine, 24 July 2025
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Kenna Hughes-Castleberry, Space.com, 8 Sep. 2025
Moreover, neither of these scenarios, nor the now-default direct collapse scenario, can do anything to either alleviate the Hubble tension or to explain the puzzles associated with large-scale structure observation and its implications for dark energy or for neutrino masses.
—Ethan Siegel, Big Think, 2 Sep. 2025
To decode the mysterious forces of dark matter and dark energy.
—Bernard Marr, Forbes.com, 24 July 2025
There was all sort of bizarre things going on, and there were lots of observations in cosmology that were beginning to support the idea of inflation, dark energy, and so forth.
—Quanta Magazine, 24 July 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 19 Sep. 2025.
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