Mikko Tuomi (born 17 June 1979) is a Finnish astronomer most known for his contributions to the discovery of the exoplanet Proxima Centauri b together with other scientists at the University of Hertfordshire. Other exoplanets to whose discovery or study Tuomi has contributed include HD 40307, HD 154857 c,The Anglo-Australian Planet Search. XXIII. Two New Jupiter Analogs: Robert A. Wittenmyer, Jonathan Horner, C.G. Tinney, R.P. Butler, H.R.A. Jones, Mikko Tuomi, G.S. Salter, B.D. Carter, F. Elliott Koch, S.J. O'Toole, J. Bailey, D. Wright Kapteyn c,Guillem Anglada-Escudé, Pamela Arriagada, Mikko Tuomi, Mathias Zechmeister, James S. Jenkins, Aviv Ofir, Stefan Dreizler, Enrico Gerlach, Chris J. Marvin, Ansgar Reiners, Sandra V. Jeffers, R. Paul Butler, Steven S. Vogt, Pedro J. Amado, Cristina Rodríguez-López, Zaira M. Berdiñas, Julian Morin, Jeff D. Crane, Stephen A. Shectman, Ian B. Thompson, Matías Díaz, Eugenio Rivera, Luis F. Sarmiento, Hugh R.A. Jones, Two planets around Kapteyn's star : a cold and a temperate super-Earth orbiting the nearest halo red-dwarf. (Cornell University 3 June 2014). Gliese 682 c,Mikko Tuomi, Hugh R. A. Jones, John R. Barnes, Guillem Anglada-Escudé, James S. Jenkins, Bayesian search for low-mass planets around nearby M dwarfs. Estimates for occurrence rate based on global detectability statistics (Submitted on 3 Mar 2014). HD 154857, Gliese 221,A new cold sub-Saturnian candidate planet orbiting GJ 221: Mikko Tuomi, January 16, 2014 Gliese 581 g and the planetary system orbiting Tau Ceti.
Publications Mikko Tuomi has contributed to many cosmologist research articles including: "A Super-Earth in the Habitable Zone" "Two planets around Kapteyn's star: A cold and a temperate super-Earth orbiting the nearest halo red dwarf" "Bayesian search for low-mass planets around nearby M. draws. Estimates for occurrence rate based on global detestability statistics" "A dynamically-packed planetary system around GJ667C with three super-Earths in its habitable zone"
Discoveries Mikko Tuomi helped discover the Proxima Centauri b planet by observing the gravitational tug of Proxima Centauri's star, Proxima Centauri.
Political career Tuomi participated in the concurrent 2025 Finnish municipal elections and 2025 Finnish county elections in the Turku constituency as a member of the Left Alliance. He received 132 and 113 votes respectively.
See also Exoplanetology List of potentially habitable exoplanets Proxima Centauri
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