
Do we know where dark matter is?
Daniel and Kelly’s Extraordinary Universe
00:00
Dark Matter Distorts the Path of Light
Dark matter, like everything else, is spinning and swirling. The reason that things don't fall into a black coal i's because they are swirling around it. For the earth to fall into the sun, it would have to somehow lose its velocity. That only happens if there's some sort of sticky force that can do that. So for dark matter, that's really hard, because it passes right through itself. Id passes right through normal matter. It's very hard for it to lose its speed or its angular momentum. Because dark matter actually finds it harder to collapse, harder to fall into black holes ight. Unto its business big diffusion, it has this interesting shape. And so
Transcript
Play full episode