Astronomers find cool evidence of two exoplanets made almost entirely of hot water
Briefly

There's more than one way to uncover what a planet is made of.Scientists suspect that two exoplanets orbiting a red dwarf star may be mostly water, according to a recent study using data from two NASA telescopes.But before you start picturing Kevin Costner in Water World or even the icy moons of Jupiter and Saturn, pause: These two exoplanets are far stranger than that.
Read at Inverse
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