A small but incredibly fast unwanted guest is about to swing past Earth at the speed of light. Yeah, this is the tiniest black hole in the Universe. But despite its small size, could it rip our planet apart? In this video, we're sending black holes through Earth, from the tiniest black hole just 2 cm (3/4 in) in diameter... to the most massive, stupendously large black hole. For you on Earth, things are about to get bad. Full video: • What Would Happen if a BLACK HOLE Hit Earth? Black hole simulations What If a Black Hole Flew By Earth at the Speed of Light? Gaia BH1 If the black hole passes through Earth A stellar-mass black hole Intermediate-mass black holes