Astronomy Question about Neutrinos
posted by Kaitlyn .
I can't seem to figure this out, I know that neutrinos have nonzero mass but I don't know how that can help me figure this out
The mass of a neutrino is
equal to the mass of a proton.
equal to the mass of an electron.
less than the mass of an electron but its actual value is unknown.
equal to the mass of a neutron