> It might mean 20% more neutrinos exist than we think. Would it though? It's not like we know neutrino mass from measurement, rather we estimate it from nucle

> It might mean 20% more neutrinos exist than we think. Would it though? It's not like we know neutrino mass from measurement, rather we estimate it from nuclear reactions that have occurred. The estimate would not change if a neutrino oscillates into a sterile one.