A new key result of the Kepler mission, just shown at the first #AAS118 press conference: planet occurrence as a function of planet diameter - with all (one hopes) observational biases taken out by Geoff Marcy. In a nutshell: the smaller the planets, the more there are of them! Sounds trivial perhaps, but NOW WE KNOW from direct observations ...

A new key result of the Kepler mission, just shown at the first #AAS118 press conference: planet occurrence as a function of planet diameter - with all (one hopes) observational biases taken out by Geoff Marcy. In a nutshell: the smaller the planets, the more there are of them! Sounds trivial perhaps, but NOW WE KNOW from direct observations ...