Astronomers Are Intrigued by This Weird 'String' at The Centre of Our Galaxy
It seems connected to a black hole.
http://www.sciencealert.com/non-thermal-radio-filament-touching-sagittarius-a-mystery
It seems connected to a black hole.
http://www.sciencealert.com/non-thermal-radio-filament-touching-sagittarius-a-mystery
The odds-on favourite hypothesis suggests the thread is made of particles being jettisoned away from Sgr A*