When the sun was young and faint and the Earth was barely formed, a gigantic black hole in a distant, brilliant galaxy spat out a powerful jet of radiation. That jet contained neutrinos — subatomic particles so tiny and difficult to detect they are nicknamed “ghost particles.”
Democracy Dies in Darkness
In a cosmic first, scientists detect ‘ghost particles’ from a distant galaxy
By Sarah Kaplan
July 12, 2018 at 11:00 a.m. EDT