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panzuulor t1_j46p541 wrote on January 13, 2023 at 3:28 PM

Reply to comment by Aseyhe in How do we know that dark matter isn't just ordinary matter our instruments can't detect? by jmite

There isn’t enough ordinary matter in the universe to account for it all. All the exoplanets and non-radiating matter is only a tiny fraction of the matter we see. And that only accounts for a small part of the gravity we measure. That’s why dark matter is inferred.