| Year | Event / Link | additional information |
|---|
| 2021 | since May I (Gerd Gühne) started to work at Planet Hunters TESS and from October also at Planet Hunters NGTS | |
| 2021 | December 27th 2021: I discovered my first exoplanet candidate (TIC 59490344.01) | TIC 59490344.01 |
| 2019 | Nobel prize for exoplanet hunters Mayor & Queloz | 51 Pegasi b |
| 2018 | first exoplanet discovered with TESS space telescope | HD 1397 b: Transiting Exoplanet Survey Satellite (TESS), L.D. Nielsen |
| 2017 | first Earth-sized planet in habitable zone discovered | KIC 6444896 b: Isabel Angelo, Kepler Space Telescope |
| 2016 | the first large-scale demonstration of a fully automated transiting planet validation procedure | Timothy D. Morton |
| 2016 | exoplanet around the nearest star discovered | Proxima Centauri b: Guillem Anglada-Escude |
| 2012 | first exoplanet discovered by an amateur astronomer | KIC 4862625 A b: Planet Hunters project (Zooniverse), Kepler Space Telescope, Peter McCullough, Guillaume Hebrard, M. E. Schwamb, Jeff A. Valenti, Magali Deleuil, Rodrigo Diaz, Veselin B. Kostov, Tobias Hinse, Zlatan Tsvetanov |
| 2011 | NASA's Exoplanet archiv established | |
| 2011 | first Earth-sized exoplanet | KIC 6850504 f: Kepler Space Telescope, Geoffrey W. Marcy, Andrew W. Howard, J. Rowe, Guillermo Torres, David Charbonneau, David W. Latham, Steve B. Howell, Stephen T. Bryson, Francois Fressin |
| 2007 | first exoplanet discovered with Corot space telescope | CoRoT-1 b: Corot Scientific Committee, CoRoT Telescope, Didier Queloz, A. Hatzes, Tsevi Mazeh, Guillaume Hebrard, J. Schneider, C. Moutou, F. Pont, M. Gillon, P. Barge, A. Baglin, M. Auvergne |
| 2006 | first exoplanet discovered with Kepler space telescope | KIC 11446443 b: TrES Project, Kepler Space Telescope, Edward W. Dunham, G. Mandushev, F. T. O'Donovan, A. Sozzetti, Guillermo Torres, David Charbonneau, David W. Latham |
| 2004 | first microlensing exoplanet | MOA-2003-BLG-053L b: OGLE Project, MOA Project, A. Udalski, I. Bond, M. Jaroszynski, N. Rattenbury |
| 2003 | first discovered exoplanet with direct imaging method | Beta Pictoris b: Geneva Extrasolar Planet Search, A.-M. Lagrange, Michel Mayor, Stephane Udry, Francesco Pepe, F. Galland, Jean-Luc Beuzit, A. Chelli |
| 2002 | first version of program "Planetensuche" developed, inspired by a science article "The search for a second Earth" in bild der wissenschaft (a German magazine) 5/2000 | |
| 2002 | first transit exoplanet | OGLE-TR-56 b: OGLE Project, M. Konacki, A. Udalski |
| 1995 | exoplanet.eu established | |
| 1995 | first discovered exoplanet around a sun-like star | 51 Pegasi b: Geneva Extrasolar Planet Search, Michel Mayor, Didier Queloz |
| 1989 | first discovered exoplanet and first one in a double star system | HD 114762 b: Geneva Extrasolar Planet Search, Michel Mayor, Tsevi Mazeh, David W. Latham |