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Topictruth or dare
wwinterj25
08/29/17 1:11:10 AM
#10:


helIy posted...
why is the sky not purple


The light from the sun looks white. However it is really made up of all the colours of the rainbow. Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colours because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
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