AMA | September 2024

1184.558 - 1209.277 Sean Carroll

So the evolution of galaxies and structures and things like that. So it seems overwhelmingly likely that there's more going on in the dark matter world than the dark energy world. Not 100% likely, but it seems very most likely. And again, the dark matter is dynamical, but it could be dynamical in a relatively boring way. It could just be some cold particles that don't interact with each other.