Discoveries done during the last two decades have revealed the impressive diversity of extrasolar planetary systems. A diversity challenging our understanding of mechanisms of formation and evolution.
Today, great efforts are made to detect Earth-mass rocky planets in the so-called habitable zone of their host stars. What are the difficulties, the instrumental projects and the already detected interesting systems ?
A CERN Colloquium by Prof. Michel Mayor (University of Geneva). He is co-laureate of the 2019 Nobel Prize in Physics along with Jim Peebles and Didier Queloz.
