Today I Found Out

Today I Found Out

Why Does the Same Side of the Moon Always Face the Earth? (2019x142)


Yayınlanma tarihi: May 31, 2019

Check out Brilliant: http://brilliant.org/todayifoundout If you→→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 Follow Simon on social media: https://twitter.com/SimonWhistler https://www.instagram.com/simonwhistler/ Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from TodayIFoundOut: Why is Lead Bad For Humans? https://youtu.be/tqXvwaBKtRc The People Who Can't Sleep https://youtu.be/JWgjXmu0VQM In this video: One Moon “day” is approximately 29 1/2 Earth days. This rotation coincides with its orbit around the Earth so that we only see about 59% of the surface of the Moon from Earth. When the Moon first formed, its rotational speed and orbit were very different than they are now. Over time, the Earth’s gravitational field gradually slowed the Moon’s rotation until the orbital period and the rotational speed stabilized, making one side of the Moon always face the Earth. Want the text version?: http://www.todayifoundout.com/index.php/2014/02/side-moon-always-faces-earth/

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