Assertion: dark matter's effect | /r/HasProperty | gravitational
Facets:
Source sentences:
text: It doesn't emit or reflect light, but scientists can estimate where it is based on its gravitational effects on surrounding matter.
text: This effect, known as gravitational lensing, depends on how much matter, both normal and dark, is in a galaxy – we can use it to calculate the amount of matter lurking around.
text: Astronomers know dark matter is there by its gravitational effect on the matter that we see and there are ideas about the kinds of particles it must be made of.
text: Dark matter is known to exist through the gravitational effect it exerts on visible matter in the universe.
text: Dark matter is non-luminous particles of matter that exerts gravitational effects on the visible matter of galaxies and clusters of galaxies.
text: As per astrophysics, dark matter is undetectable, non-baryonic matter which exerts gravitational effects on stars and galaxies.
text: Although dark matter has not been directly observed, its existence and properties are inferred from its gravitational effects, and it is estimated to make up 84% of the universe's mass and 23% of its mass-energy.
text: This effect, known as gravitational lensing, depends on how much matter, both normal and dark, is in a galaxy – we can use it to calculate the amount of matter lurking around.