 Marcy was also one of the project leaders of the Breakthrough Initiatives that will search for intelligent life in the universe, using large radio and optical telescopes.Marcy and his team confirmed Michel Mayor and Didier Queloz's discovery of the first extrasolar planet orbiting a Sun-like star—51 Pegasi b.Two months later, Marcy and his team followed this confirmation with the announcement of the discovery of two additional planets around 47 Ursa Majoris and 70 Virginis.