Astronomers measure the mind-blowing power and speed of black hole jets for the first time

CAPE CANAVERAL, Fla. (AP) — For the first time, scientists have measured the instantaneous mind-blowing power of jets blasting from a black hole.

The jet power from this relatively close black hole-star system is equivalent to 10,000 suns, an international research team reported Thursday. They also tracked the jet speed: roughly 355 million mph (540 million kph) — half the speed of light.

Located 7,200 light-years away, Cygnus X-1 features not only a black hole — the first one ever identified more than a half-century ago ...