Dark matter. Or what?
Автор: Sabine Hossenfelder
Загружено: 2018-10-31
Просмотров: 434026
In this video I explain just what physicists mean when they speak about "dark matter" and what reasons we have to think that dark matter exists. In my two follow-up videos, I speak about the alternative explanation, modified gravity, and explain why the right solution might well be a combination of both ideas.
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