September 18, 2015
Circling like prizefighters in a ring, a pair of supermassive black holes is heading toward an epic collision. One so powerful it would send a burst of gravitational waves surging through and distorting the very fabric of space-time.
Already, the intensity of the encounter is causing mysterious rhythmic flashes of light coming from quasar PG 1302-102 — 3.5 billion light-years away in the Virgo constellation.
“This is the… read more