"The large-scale homogeneity of the universe makes it very difficult to believe that the structure of the universe is determined by anything so peripheral as some complicated molecular structure on a minor planet orbiting a very average star in the outer suburbs of a fairly typical galaxy."

— Steven Hawking

atmosphere

Earth atmosphere heated by another souce...

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.