8 jun. 2017

A Long Time Ago in a Galaxy Far Away, a Black Hole was Born from a Failed Supernova

Researchers studying images of the distant star N6946-BH1 were shocked to find that the otherwise extremely bright star had outright disappeared. The star was still visible in images taken by the Hubble Space Telescope as recently as 2009, but in images taken in 2015, it was barely a faint glow when viewed in infrared, and not visible at all in the visible spectrum.

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