Black Hole
- Episode aired 2004
- 10m
The vanishing acts in the cosmos - black holes. They occur when a massive star dies. As its outer layers cascade into space, the core collapses to beyond the visible. It becomes a voracious ... Read allThe vanishing acts in the cosmos - black holes. They occur when a massive star dies. As its outer layers cascade into space, the core collapses to beyond the visible. It becomes a voracious gravitational trap from which nothing, not even light, escapes. Black holes can be detecte... Read allThe vanishing acts in the cosmos - black holes. They occur when a massive star dies. As its outer layers cascade into space, the core collapses to beyond the visible. It becomes a voracious gravitational trap from which nothing, not even light, escapes. Black holes can be detected by bright surrounding discs - material swirling to the event horizon and oblivion.