NASA @NASA
When black holes collide, they could cause nearby material to radiate with light. A 2020 study made the first-ever observation of a flare that may have been produced when two smaller black holes merged to form a new, larger black hole: https://t.co/ign9NtsXc2 #BlackHoleFriday https://t.co/lRmUEe4bBB — PolitiTweet.org