Astronomers have discovered the two most massive black holes in the Universe

What's 10-billion times as massive as our Sun, several times larger than our solar system, and has a gravitational influence on pretty much anything that comes within 2000 light years of its gaping, cosmic maw? Why, that would be a recently discovered black hole at the center of elliptical galaxy NGC 3842, the smaller… »12/06/11 1:16pm12/06/11 1:16pm