dark matter
noun
: nonluminous matter not yet directly detected by astronomers that is hypothesized to exist to account for various observed gravitational effects
Examples of dark matter in a Sentence
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The team behind this new research suggests that if two black holes merge in a region of space populated by dense dark matter clouds, then the gravitational waves emerging from the event could carry the imprint of dark matter across the universe.
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Robert Lea, Space.com, 15 May 2026
Because the stars account for less than 3,300 solar masses and the gas adds just a tiny bit more, the team concluded that the rest of the galaxy must be made up of dark matter.
—Jacek Krywko, ArsTechnica, 13 May 2026
So the signal is absent, not because dark matter isn’t there but because the environment is different, lacking the galactic center’s gamma-ray-making prerequisities.
—Paul M. Sutter, Scientific American, 6 May 2026
The Local Group of galaxies is arrayed in a plane of dark matter, above and below which are voids.
—Christine Smallwood, Harpers Magazine, 21 Apr. 2026
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Robert Lea, Space.com, 15 May 2026
Because the stars account for less than 3,300 solar masses and the gas adds just a tiny bit more, the team concluded that the rest of the galaxy must be made up of dark matter.
—Jacek Krywko, ArsTechnica, 13 May 2026
So the signal is absent, not because dark matter isn’t there but because the environment is different, lacking the galactic center’s gamma-ray-making prerequisities.
—Paul M. Sutter, Scientific American, 6 May 2026
The Local Group of galaxies is arrayed in a plane of dark matter, above and below which are voids.
—Christine Smallwood, Harpers Magazine, 21 Apr. 2026
See All Example Sentences for dark matter
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“Dark matter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dark%20matter. Accessed 21 May. 2026.
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