John Carlos Baez on Nostr: Here is Stefano Profumo's talk on the possibility of black hole dark matter. The ...

Here is Stefano Profumo's talk on the possibility of black hole dark matter. The graph I showed in part 1 appears at 13:27.

And here is a paper about this stuff:

• Nolan Smyth, Stefano Profumo, Samuel English, Tesla Jeltema, Kevin McKinnon and Puragra Guhathakurta, Updated constraints on asteroid-mass primordial black holes as dark matter, https://arxiv.org/abs/1910.01285

I haven't read papers responding to this new work. Are most astrophysicists convinced by it, or is there a lot of pushback?

(2/2)

https://www.youtube.com/watch?v=G_kBpYDCHOI