Tag Archives: V404 Cygni

Black Hole Awakens After 26 Years

On 15 June 2015, V404 Cygni (V404 Cyg), a binary system comprising a Sun-like star orbiting a black hole, woke up. A huge outburst of energy across the electromagnetic spectrum ‘lit up’ the sky. The last such outburst was 1989. … Continue reading

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