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How dark matter works?

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Anonymous

9y ago
Updated: 8/21/2019

Not much is currently known about dark matter. We know that there is some unknown substance that makes up 80-90% of a typical galaxy or galaxy cluster - and we know so by its gravitation - for example, by observing the rotation of a galaxy, or by gravitational lensing.

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Wiki User

9y ago

What else can I help you with?