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Johann Franz Encke

Johann Franz Encke

German astronomer
Johann Franz Encke was a German astronomer. Among his activities, he worked on the calculation of the periods of comets and asteroids, measured the distance from the Earth to the Sun, and made observations of the planet Saturn. Wikipedia
Born: September 23, 1791, Hamburg, Germany
Died: August 26, 1865 (age 73 years), Spandau, Berlin, Germany
Nationality: German
Children: Rudolph Encke