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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In just under four hours, Tyson, who narrates the audiobook edition, looks to simplify the most complicated space science concepts like black holes, dark matter, quarks, and everything else in between.
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Shannon Carlin, TIME, 21 June 2024
Studying this distribution of galaxies can provide clues about the abundance and distribution of dark matter—an unknown substance that holds galaxies and galaxy clusters together—which, along with gravity, has shaped the evolution of the universe.
—Dan Falk, Smithsonian Magazine, 20 June 2024
Related article Scientists may have found an answer to the mystery of dark matter.
—Ashley Strickland, CNN, 19 June 2024
Smaller galaxies swarming around a larger one can be especially sensitive tracers of dark matter’s subtle effects, so cataloging and studying these satellites could be another way for researchers to learn more about how the invisible substance helped guide galactic formation and evolution.
—Phil Plait, Scientific American, 14 June 2024
See all Example Sentences for dark matter 
Shannon Carlin, TIME, 21 June 2024
Studying this distribution of galaxies can provide clues about the abundance and distribution of dark matter—an unknown substance that holds galaxies and galaxy clusters together—which, along with gravity, has shaped the evolution of the universe.
—Dan Falk, Smithsonian Magazine, 20 June 2024
Related article Scientists may have found an answer to the mystery of dark matter.
—Ashley Strickland, CNN, 19 June 2024
Smaller galaxies swarming around a larger one can be especially sensitive tracers of dark matter’s subtle effects, so cataloging and studying these satellites could be another way for researchers to learn more about how the invisible substance helped guide galactic formation and evolution.
—Phil Plait, Scientific American, 14 June 2024
See all Example Sentences for dark matter
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'dark matter.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Dark matter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dark%20matter. Accessed 4 Jul. 2024.
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