NewScientist The Last Word

Why does the sky appear a more rich blue during the day, the nearer you are to the equator? Or is it an optical illusion?
(no votes)

Categories: Planet Earth.

Tags: sky.

Reply	tbrucenyc says: There's less air and so less water vapor and droplets between you and the sun. (no votes) Tags: sky.
	posted on 2011-03-06 15:43:55 \| Report abuse

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