Source: Yale University, Open Yale Courses
ASTR 160 - Frontiers and Controversies in Astrophysics
Third method to detect exoplanets: astrometry (and comparison with other methods: radial velocity and transit). In the last 10 minutes: presentation of some upcoming projects: Kepler mission (transits), SIM mission (astrometry), Terrestrial Planet Finder (direct planet imaging).
See other lectures in this series.