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Learn the Surprising Reason Why the Sky Goes Dark at Night [VIDEO]
The sky is dark at night. That's something we take for granted with no questions asked. But why is the sky dark at night? Hint: It's not because the sun is down.
In a really simple and fun video, Henry Reich, a researcher at the Perimeter Institute in Canada, explains why the light in the sky fades at night. We don't want to spoil it for you, but it involves the ever-expanding universe and physics. But worry not, you don't need to be a science genius to understand the concept.
The video is part of a series of educational videos called Minute Physics, which aim to explain science in an elementary way. The videos have been so successful that Reich has received an offer to join th…
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More About: Science, Watercooler, viral videos
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