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"In January 2011, some four months prior" prior to the discovery? It's mentioned in the lead but starting off with that's still a bit odd, I'd just remove the 4 months part.
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Don't forget the ice
All the press about this one seems to have missed the point in the paper that the predicted composition has 5–20% ices by mass, which is far higher than for the terrestrial planets: the value for the Earth is roughly 0.04%. Based on predictions for a pure water envelope, they expect most of this will be in the form of high-pressure ice phases. (It would not surprise me if taking into account a more realistic composition that incorporates the fact that there's likely a bunch of other stuff mixed in with the water would end up getting different results, but we must wait for follow-up studies...) 77.57.25.250 (talk) 16:52, 3 June 2014 (UTC)
It's high temperature ice, though right? At 485 Kelvin, that's only possible due to extremely high gravitational pressures. In other words, it really is "hot ice".
It's interesting that it can have that much ice in spite of being (probably) denser than Earth This seems to be due to the extreme gravitational compression for 10c, according to Figure 8.--Roentgenium111 (talk) 16:22, 16 June 2014 (UTC)