High above the clouds (and most of the Earth's atmosphere), from 19,000 feet (5,900 meters), the southern sky reveals its true majestic glory. In the June issue, Serge Brunier recalls his adventures in extreme astronomy, explaining just how he captured the stunning high-altitude images shown in his article.

Here we display one of his movies from the expedition. Watch as the heavens rotate above the Chajnantor plateau high in the Chilean Atacama Desert. You'll need QuickTime installed to watch this 23 megabyte (30 second) film.