NASA missions monitor a waking black hole
Greenbelt MD (SPX) Jul 01, 2015 - NASA's Swift satellite detected a rising tide of high-energy X-rays from the constellation Cygnus on June 15, just before 2:32 p.m. EDT. About 10 minutes later, the Japanese experiment on the International Space Station called the Monitor of All-sky X-ray Image (MAXI) also picked up the flare. The outburst came from V404 Cygni, a binary system located about 8,000 light-years away that cont ... more
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