The first ever picture of a black hole

Astronomers have taken the first ever image of a black hole, which is located in a distant galaxy.
 It measures 40 billion km across - three million times the size of the Earth - and has been described by scientists as "a monster". The black hole is 500 million trillion km away and was photographed by a network of eight telescopes across the world.
 Details have been published today in Astrophysical Journal Letters.
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