Science & Technology

Why Do Tides Happen in Oceans and Not Lakes?

You've probably heard that high tides happen when the moon's gravity pulls the ocean up and away from the Earth. But if that's true, why aren't smaller bodies of water pulled upward too? It turns out that this understanding of tidal forces isn't quite right — but luckily, this video from PBS SpaceTime will clear that right up.

Written by Curiosity Staff October 24, 2018

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