Math & science · 1995
Exoplanets around Sun-like stars
Mayor and Queloz find 51 Pegasi b, a giant planet circling a Sun-like star.
Detected by the star's Doppler wobble, it had a 4.2-day orbit. More than 5,000 exoplanets are now confirmed, many by the Kepler (2009) and TESS missions.