Under threat: the European Southern Observatory’s flagship Paranal Observatory in Chile’s Atacama Desert is home to the Very Large Telescope (courtesy: G.Hüdepohl/ESO) The darkest, clearest skies ...

This complex threatens the pristine skies above ESO's Paranal Observatory in Chile's Atacama Desert, the darkest and clearest of any astronomical observatory in the world. The industrial ...

World's Darkest Skies' Under Threat From New Industrial Plant.The world's darkest skies are under threat from an industrial megaproject that could permanently hamper our knowledge of the heavens. The ...