AS if forecasting whether asteroids will hit the Earth wasn’t hard enough, it now seems that primordial black holes could surprise us by nudging a rock or two our way.
Some physicists think these little black holes, invisible remnants of the early universe, could be a candidate for the dark matter making up much of the universe’s mass. Alexander Shatskiy of the Lebedev Institute in Moscow, Russia, points out that if all dark matter, is black holes they would likely pass through the asteroid belts in our galactic backyard. Since a metre-sized primordial black hole can have the mass of…
