Mauri Valtonen

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Mauri Valtonen is a Finnish astronomer and professor at the University of Turku. His fields of scientific interest include active galaxies, cosmology, and the three-body problem.

Valtonen completed a Ph.D. from Cambridge University in 1975. He served as Director of Tuorla Observatory from 1980 to 2002 and returned to this position again in 2007.

In 2008, Valtonen led a research team which argued that delay in the periodic outbursts from the nucleus of the active galaxy OJ 287 confirmed Einstein's general theory of relativity .[1]


  1. ^ M. Valtonen et al. (2008), A massive binary black-hole system in OJ 287 and a test of general relativity. Nature, 452, 851-853

Books by Mauri Valtonen[edit]

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