Science & Futurism with Isaac Arthur cover image

Super-Earths

Science & Futurism with Isaac Arthur

00:00

Water Is Not in the Mantle

We believe much, if not most, of os wattle is in the mantle. That's both accurate and off as it isn't in oform. A planet mostly composed of water, but earth sized, would have the same gravity as the moon's surface. We shouldn't discount encountering some water giants in the gas giant ranges. And low density might be decently common too.

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