... Tonight's Sky . ... Behemoth black hole found in an unlikely place . ... black holes . ... Astronomers identify the epoch of the first fast growth of black holes . ... Hagai Netzer, Benny Trakhtenbrot, and a team of astronomers from Tel Aviv University in Israel have determined that the era of the first fast growth of the most massive black holes occurred when the universe was only about 1.2 billion years old, not 2 to 4 billion years old as was previously believed, and they're growing at a fast...