Does dark matter slow the expansion of the universe?


Does dark matter slow the expansion of the universe?

Dark Matter:

Dark matter and dark energy comprise 95 percent of everything in the universe. However, the two work in opposite ways regarding the expansion of the universe. One helps to expand the universe, while one works to slow that expansion.

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Yes, dark matter slows the expansion of the universe. This is because dark matter has mass and mass generates a gravitational force. Any object with...

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Dark Matter & Gravitational Lensing


Chapter 4 / Lesson 9

Dark matter refers to materials and substances in the universe's mass that scientists are unable to directly observe. Learn about dark matter and gravitational lensing. Explore how communities are held together, and review gravity, dark matter, and clusters to understand dark matter from the perspective of gravitational lensing.

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