"Something like this" is one of the competing theories for what dark matter is, although I think the current consensus is that it cannot explain _all_ the dark

"Something like this" is one of the competing theories for what dark matter is, although I think the current consensus is that it cannot explain _all_ the dark matter effects, so there must be something else too. see: https://en.wikipedia.org/wiki/Massive_compact_halo_object https://en.wikipedia.org/wiki/Massive_compact_halo_object