The Atacama Desert in Chile offers some of the clearest views of the universe, thanks to its dry climate, high altitude and isolation from light pollution. THE ATACAMA DESERT, Chile (AP) — It takes a moment for the eyes to adjust. A faint spark appears in the darkness; then another, brighter one. Soon, stars, planets and entire constellations emerge. Before long, a whole galaxy stretches across the sky,... [6081 chars]