The "Night Shining"

Another great article in New Scientist Magazine, April 10, 2010: "Mysterious 'night shinig clouds have a solar controller." p. 14.

Clouds that are placed very high up in the atmosphere. They glow at night. And they may be linked to the Sun's rotation on its axis. Both follow a 27 day cycle.

Researcher is Charles Robert of the University of Bremen, Germany.