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Questions about the source or effects of the matter that makes up 85% of the matter in the universe but appears to only interact gravitationally.

2 votes
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How can we measure the amount of Dark Matter in the universe to the level of a percent?

Through phenomena that scientists have observed we know that dark matter is a big player in maintaining a constant speed of objects in a galaxy which means that dark matter is an active participant. N …
Shubhankar Dixit's user avatar