If dark matter is 'invisible,' how do we know it exists?

Despite making up most of the matter in the universe, dark matter doesn

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Science 101: Dark Matter and Dark Energy

If dark matter is 'invisible,' how do we know it exists?

Does Dark Matter Exist, Or Is Gravity Wrong? The Answer Lies Billions Of Years In The Past

Astronomers Caught Dark Matter in the Cosmic Web, Revealing an Unseen Universe

Can we measure dark matter in our solar system?

Euclid mission: ESA's hunt for dark matter and dark energy

Dark matter: how can we know if it exists?

5 truths about dark matter that no scientist can deny - Big Think

Nanotechnology World Association — Dark Matter Particle Could be Size of Human Cell