Posts Tagged ‘waterworld’

An Actual Waterworld


24 Feb

We’ve found Waterworld! GJ 1214b, in the Serpent Bearer constellation, has an estimated surface temperature of 446 degrees Farenheit, so life as we know it could not live there, but we are pretty sure the planet is mostly made up of water.

Water has a density of 1 gram/cubic centimeter. Earth, which has a lot of water, has a density of 5.5 g/cc. We estimate GJ1244b’s density to be only 2 g/cc. That’s a lot of water, including possible “hot ice” and “superfluid water”.

And GJ1214b is close enough to Earth that we should be able to study it more.

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