From Discovery News:
There was a lot of excitement last week about the discovery of a “waterworld” planet called GJ 1214b, as reported on Discovery News by my colleague Ian O’Neill.
This world belongs to an emerging class of planets dubbed “super-Earths.” It is 6.5 times Earth’s mass and nearly three times our diameter. Its mass, diameter and density suggest the planet is largely a ball of water with and icy/rocky core.
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