Earth

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The reason the sky at sunset is red
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The reason the sky at sunset is red

The phenomenon of light scattering in the atmosphere causes the sky to be blue during the day but turning red at sunset.

December 18, 2018
One day on Earth is about 25 hours
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One day on Earth is about 25 hours

In a new study conducted by the US National Academy of Sciences, scientists have shown how the Moon affects the day on Earth.

December 18, 2018