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
Recent Examples on the Web
Euclid launched in 2023 on a mission to chart one-third of the sky in the hopes of shedding light on the enduring mysteries of dark matter and dark energy.
—
CBS News,
24 June 2026
Euclid is designed to study dark energy, the mysterious force that drives the accelerating expansion of the universe, by studying distant galaxies.
—
Robert Lea,
Space.com,
24 June 2026
Nicky Fox, the associate administrator for NASA’s Science Mission Directorate, said the project for a dark energy telescope has been in the works since it was recommended in the National Research Council’s 2010 decadal survey that ranks which astronomy and astrophysics projects should be pursued.
—
Richard Tribou,
The Orlando Sentinel,
22 June 2026
These results indicate that after attaining a maximum value about 2 billion years ago, dark energy may have begun to weaken.
—
Quanta Magazine,
22 June 2026
See All Example Sentences for dark energy
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CBS News,
24 June 2026
Euclid is designed to study dark energy, the mysterious force that drives the accelerating expansion of the universe, by studying distant galaxies.
—
Robert Lea,
Space.com,
24 June 2026
Nicky Fox, the associate administrator for NASA’s Science Mission Directorate, said the project for a dark energy telescope has been in the works since it was recommended in the National Research Council’s 2010 decadal survey that ranks which astronomy and astrophysics projects should be pursued.
—
Richard Tribou,
The Orlando Sentinel,
22 June 2026
These results indicate that after attaining a maximum value about 2 billion years ago, dark energy may have begun to weaken.
—
Quanta Magazine,
22 June 2026
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 25 Jun. 2026.
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