Artist’s impression of the V404 Cygni black hole jet. Credit: G Perez Diaz IAC
They are nature’s very own Death Star beams – ultra-powerful jets of energy that shoot out from the vicinity of black holes like deadly rays from the Star Wars super-weapon. Now a team of scientists led by the University of Southampton has moved a step closer to understanding these mysterious cosmic phenomena – known as relativistic jets – by measuring how quickly they ‘switch on’ and start shining brightly once they are launched.
How these jets form is still a puzzle. One theory suggests that they develop within the ‘accretion disc’...
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