Is it true that the skies in the Southern Hemisphere appear brighter and clearer than Northern Hemisphere skies? I have read this several times from various unscientific sources. If so, what is the reason?
posted by vizsla on Sep 10, 2007 - 7 answers

What city in the world has the highest number of annual hours of sunshine between temperatures of 15C and 25C (60F and 80F)? (Coz that's where I want to live)
posted by zaebiz on Jul 19, 2007 - 15 answers

Overcast skies at twlight, looking westward. A bright flash of white light, followed by instant red. Sunset, in the blink of an eye! What is this phenomenon called?
posted by Laugh_track on Apr 9, 2006 - 6 answers

Does the American Pacific Northwest get less daytime in the winter than in the summer, and if so, why? [more inside]
posted by bingo on Jul 16, 2005 - 15 answers