Black holes are some of the strangest and most mysterious objects in the universe. http://t.co/ZBCzwrgULG pic.twitter.com/LwPSwooW8u— SPACE.com (@SPACEdotcom) May 19, 2014
Black holes are some of the strangest and most mysterious objects in the universe. http://t.co/ZBCzwrgULG pic.twitter.com/LwPSwooW8u