Why do we think that dark matter exists?​

Scientists study dark matter by looking at the effects it has on visible objects. Scientists believe that dark matter may account for the unexplained motions of stars within galaxies. They allow scientists to create models which predict galaxy behavior. Satellites are also being used to gather dark matter information.

Scientists believe that dark matter may account for the unexplained motions of stars within galaxies. They allow scientists to create models which predict galaxy behavior.

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