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The Sky at Night

Supermassive Black Hole

Duration: 29 minutes

on BBC Four

A behind-the-scenes encounter with the scientists from the Event Horizon Telescope, which captured the first-ever picture of a supermassive black hole. Show more

BBC Four

About BBC Four

BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.