TIL that a day on earth used to be just 19 hours long

www.popularmechanics.com

TIL that a day on earth used to be just 19 hours long

www.popularmechanics.com

@small44 to

Today I LearnedEnglish • 1 year ago

A Day on Earth Used to Be Just 19 Hours Long

www.popularmechanics.com

And you thought you didn't have enough time now.

I wish a day had more 24 hours

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SuiXi3D
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1•1 year ago
So the earth’s spin is very slowly slowing down? Neat!

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