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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Rubin sheds light on dark energy Type Ia supernovas have been intrinsic to the concept of dark energy since 1998 when two separate teams of researchers used these white dwarf eruptions to determine that the universe was expanding at an accelerating rate. —

Robert Lea, Space.com, 27 Jan. 2025 In April, physicists detected a hint of a signal suggesting that dark energy, the mysterious energy of space itself, may be weakening. —

Natalie Wolchover, Quanta Magazine, 17 Dec. 2024 Now, according to a new paper in The Astrophysical Journal, new measurements from Webb have confirmed that the Hubble tension isn't due to some flaw in our observations, but instead potentially due to the influence of dark matter and dark energy. —

Joseph Epstein, Newsweek, 10 Dec. 2024 At the same time, the telescope is expected to yield new insights into the universe’s unseen elements, such as dark matter and dark energy. —

Dan Falk, Smithsonian Magazine, 20 June 2024 See all Example Sentences for dark energy