3 ms·
Neutrinos are no longer considered to be 'dark matter'. Before the 1980s it was, though.
by fooker 9y ago
Neutrinos are no longer considered to be 'dark matter'.
Before the 1980s it was, though.
- Avshalom 9y agoNeutrinos aren't the dark matter responsible for the bullet cluster, rotation curves etc... But dark matter as a term is just a catch all for particles that don't interact with photons, hence hot (neutrinos) and cold (what we need for galaxies)