Titanic, Short-Lived Stars Make Skies Glow Red | Video

12,000 light-years out, hidden gigantic, hot stars behind the dust cloud known as RCW 106 ionize hydrogen gas to a crimson hue in this image by the VLT Survey Telescope (VST). Such “O-type” stars are typically tens of times more massive than our sun. How they manage to form is a mystery. (Read More)

Exploring the Southern Sky - ESO at 50

credit : ESO. Music: Johan B. Monell