What causes the seasons? Veritasium : Season 1 Episode 2
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Aired: August 16th, 2010 @ 12:00 AM EST on YouTube
There are a few persistent misconceptions about what causes the seasons. Most believe it is the distance between the Earth and sun which varies to give us seasonal temperature variations. However it is actually the directness of the sun's rays leading to more intense sunshine in summer and less in winter.