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How does the Earth stay sturdy if the majority of its insides are liquid?
Question Date: 2018-03-03
Answer 1:

Full milk cartons are sturdy, even though they're almost full of milk. If the container is filled full of liquid, there's no place for the liquid to slosh around. That's how it is with the liquid in the earth.

I recommend you to read the following article:

here

It has a cool picture fairly far into the article that shows how the very center of the earth is solid iron, and then there's a big liquid layer around it. The article says we know about the liquid because of earthquakes! I suppose we also get a clue about the liquid from volcanoes.



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