It was a hole in two. Finnish scientists have shot two black holes orbiting each other, offering the first ever definitive proof that these intergalactic voids come in pairs, per a study published October 9 in the Astrophysical Journal. “For the first time, we managed to get an image of two black holes circling each other,” lead author Mauri Valtonen, an astronomer at the University of Turku in Finland,  said in a statement describing the celestial double-header. The twin abysses, which were