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—but a blue supergiant...
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