Does the galaxy have dark matter at heart?

The black hole at the centre of our galaxy might actually be a huge blob of dark matter, suggest astrophysicists. A super-dense core of subatomic particles called fermions, spreading out into a vast, diffuse cloud, would match up with observations (and a direct image captured in 2022) equally as well as a black hole, they say. If the Milky Way really is permeated by a cloud of fermionic dark matter — and we’d need better observations to confirm it for sure — it could help to answer outstanding questions about how the whole galaxy behaves.