09-19-2017, 03:46 AM
I think that 'hot' neutrinos are more dangerous than cold ones, because they are moving so fast- almost at the speed of light. So cold neutrinos should be safer.
But if we replace them with dark matter then we might have to choose the type of dark matter we prefer. This is still an open question.
But if we replace them with dark matter then we might have to choose the type of dark matter we prefer. This is still an open question.