dark matter
noun
: nonluminous matter not yet directly detected by astronomers that is hypothesized to exist to account for various observed gravitational effects
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In this scenario, galaxies are assembled within a structure of dark matter, the gravity of which draws in small clumps of normal matter — aka, the dwarf galaxies — and merges them together.
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Keith Cooper, Space.com, 28 Feb. 2025
There is a tremendous body of evidence for the existence of dark matter and the accelerating expansion of the universe and the reality of the Hubble tension.
—Paul M. Sutter, Scientific American, 26 Feb. 2025
The idea is that as waves of dark matter wash over the satellite, its gravitational influence would wobble the levitating graphite.
—Michael Irving, New Atlas, 12 Feb. 2025
While dark matter has never actually been detected, it is believed to make up 85% of the total matter in the universe.
—Ashley Strickland, CNN, 11 Feb. 2025
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Keith Cooper, Space.com, 28 Feb. 2025
There is a tremendous body of evidence for the existence of dark matter and the accelerating expansion of the universe and the reality of the Hubble tension.
—Paul M. Sutter, Scientific American, 26 Feb. 2025
The idea is that as waves of dark matter wash over the satellite, its gravitational influence would wobble the levitating graphite.
—Michael Irving, New Atlas, 12 Feb. 2025
While dark matter has never actually been detected, it is believed to make up 85% of the total matter in the universe.
—Ashley Strickland, CNN, 11 Feb. 2025
See All Example Sentences for dark matter
Cite this Entry
“Dark matter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dark%20matter. Accessed 9 Mar. 2025.
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