Geoffrey Marcy

Geoffrey W. Marcy ( born September 29, 1954 in St. Clair Shores, Michigan) is an American astronomer and astrophysicist.


Marcy graduated in 1976 physics and astronomy studies at the University of California, Los Angeles, summa cum laude. In 1982 he received his doctorate at the University of California, Santa Cruz in the field of astronomy and astrophysics. Following an assistant at the Carnegie Institution of Washington (1982-1984), he was an associate professor of physics and astronomy at San Francisco State University. Since 1999, he has also a professor in astrophysics at the University of California, Berkeley.

He was known for his discoveries of extrasolar planets internationally. Of the first 100 known exoplanets, he discovered 70 Marcy also confirmed Michel Mayor and Didier Queloz 's discovery of the first exoplanet in the system of 51 Pegasi.

2012 took over Geoffrey Marcy of the Watson and Marilyn Alberts Chair in the Search for Extraterrestrial Intelligence ( SETI ), an endowed professorship at the Institute for Astronomy of the University of California, Berkeley, whose research topic is the search for extraterrestrial intelligence.

Since 2013 it is one of Thomson Reuters due to the number of its citations to favorites to a Nobel Prize (Thomson Reuters Citation Laureates ).



  • Exoplanets - The search for a second Earth, Springer- Verlag, Berlin 2011 ( Preface )
  • Geoffrey Marcy, ( et al. ) Observed Properties of Exoplanets: Masses, Orbits, and Metallicities. (PDF, 629 kB) Progress of Theoretical Physics Supplement, No.. 158, 2005.