Esko Valtaoja

Finnish astronomer · Finland · On the map · Scientists · Born 1951 · age 75

Esko Jorma Johannes Valtaoja is a Finnish professional astronomer and writer. Valtaoja worked as a professor at the University of Turku where he studied quasars. Valtaoja retired in 2015 after holding a popular farewell lecture, that was also televised by Finnish national public broadcaster YLE.

Esko Valtaoja is read about 4 times a day, in 8 languages.

A typical day, 30 days to 16 June 2026

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.

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