dark matter
"Dark matter" constitutes a significant portion of the universe's mass and is detectable only through its gravitational influence on visible matter.
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Definition
C2Cosmology
(technical, scientific)A form of matter that does not emit, absorb, or reflect electromagnetic radiation, detectable only through its gravitational effects.
Example
- Scientists study the rotation of galaxies to understand the influence of dark matter.
- Dark matter is believed to make up about 85% of the universe's total matter.
C2Astrophysics
(technical, academic)Hypothetical matter that interacts with visible matter primarily through gravity, without direct electromagnetic interaction.
Example
- The existence of dark matter is inferred from gravitational effects on galaxies and galaxy clusters.
- Researchers use computer simulations to model the distribution of dark matter in the universe.
Similar
Terms that have similar or relatively close meanings to "dark matter":