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WASHINGTON:A fresh examination has re
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air force 1 mid that it is bigger than previously known.Researchers said on Thursday that new observations of the Cygnus X-1 black hole, orbiting in a stellar marriage with a large and luminous star, showed it is 21 times our sun rsquo s mass, about 50% more massive than previously believed.While it is still one of the closest known black holes, they found it is somewhat farther away than previously calculated, at 7,200 light-years - the distance light travels in a year, 5.9 trillion miles (9.5 trillion km) - from Earth.China 39 s new Long March 8 rocket makes maiden flightBlack holes are extremely dense, with gravitational pulls so ferocious, not even light escapes. Some - the ldquo supermassive rdquo black holes - are immense, like the one at our Milky Way galaxy rsquo s center 4 million time
