The extrasolar planet GJ1214b
February 21, 2012: Observations of the extrasolar planet GJ1214b by NASA’s Hubble Space Telescope have come up with a new class of planet, a waterworld enshrouded by a thick, steamy atmosphere. It’s smaller than Uranus but larger than Earth. A paper reporting these results has been accepted for publication in The Astrophysical Journal and is available online. Full story here.
Enigmas Astronomy site 