Does Dark Matter Exist? Stacy McGaugh (#284)
Into the Impossible With Brian Keating
00:00
The Dark Matter Only Galaxies
I've spent an enormous amount of time over last quarter century chasing up this example or that and it almost always not always considered clusters like the bullet cluster. I think that's a real problem for Mark, but this is a theory that people love to hate. And eventually it'll be unfalsifiable because you'll end up in a regime where the supernova neutrino background will prevent you from ever making progress. The same thing could happen with me and looking for B mode polarization. It could be that inflation did take place, but at a very low energy scale impossible for experimentalists ever to detect. Yet we can't rule out alternatives as well. Things like bouncing or cyclic models
Transcript
Play full episode
