Saturn is the least dense planet in our solar system with a similar average density to that of wood, while Earth is the most dense planet, being twice as dense as granite on average. Here's a way to visualize what that means for planet sizes pic.twitter.com/17opkraGm1
— Dr James O'Donoghue (@physicsJ) December 18, 2019
via Twitter https://twitter.com/physicsJ
December 18, 2019 at 08:09PM
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