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Transcript

how too much water can snuff out life and kill habitable planets

It seems like a paradox, or a weird brain teaser. How can a planet have too much water for life to exist? But physics doesn't lie, and neither do mass and gravity.

Kepler 22b is a planet about nine times more massive than Earth, orbiting a Sun-like star 640 light years away in the constellation Cygnus. It’s also a subject of many CGI-heavy viral videos portraying it as an idyllic ocean world filled with life. Unfortunately, the very same videos kind of end up debunking themselves if you plug the stats they provide into a few standard formulas…

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