The first cool rocky/icy exoplanet Are we really alone? The discovery of the cool, rocky and icy planet OGLE-2005-BLG-390Lb using the technique of gravitational microlensing suggests that we are not. Martin Dominik, Keith Horne and Michael Bode explain the technique and how this discovery changes our view of the universe.Dominik, Horne, boDe: Extrasolar planEt
1: Artist's impression (by Herbert Zodet, ESO) of OGLE-2005-BLG-390Lb with its (unseen) red dwarf star OGLE-2005-BLG-390L in thebackground. An atmosphe…
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