Alain Fournier wrote:
A new planet, GJ 1214 b, has been found some 40 l.y. away
with 2.678 Earth radius and 6.55 Earth mass.
[[...]]

The key technical papers are
Charbonneau et al,
"A super-Earth transiting a nearby low-mass star"
http://arxiv.org/abs/0912.3229
and
Rogers & Seager
"Three Possible Origins for the Gas Layer on GJ 1214b"
http://arxiv.org/abs/0912.3243

--
-- "Jonathan Thornburg [remove -animal to reply]"
Dept of Astronomy, Indiana University, Bloomington, Indiana, USA
"Space travel is utter bilge" -- common misquote of UK Astronomer Royal
Richard Woolley's remarks of 1956
"All this writing about space travel is utter bilge. To go to the
moon would cost as much as a major war." -- what he actually said