'Spitting' black holes may be key to cosmic mysteries

 作者:滑雕     |      日期:2019-03-01 04:12:01
By Zeeya Merali IMAGINE looking up at the sky and seeing protons the size of planets. You’d be mighty impressed at such a sight, if you weren’t pinned to the ground because you weighed as much as a blue whale. We all know the universe isn’t like this – but we don’t know why. Nothing in the known laws of physics says that the universe can’t be built in either of these ways. Now,