There are many worlds and many systems of Universes existing all at the same time, all of them perishable.

— Anaximander 546 BC

Earth atmosphere heated by another souce...

By myamiphil at Sun, 09/27/2009 - 12:24pm

A surprise in the upper atmoshere of the Earth
 
Another way of heating the earths atmosphere has been found... THis one is not due to the sun's heating of the earth by sunlight.