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    Johann Gottfried Galle (1812-1910). Based on the calculations of Urbain Le Verrier, Galle and his assistant Heinrich Louis d'Arrest at the Berlin Observatory found the planet Neptune. The orbit of Uranus wasn't quite fitting the expected one and Le Verrier thought it was because the gravity of an unknown planet was affecting it. (Portrait: Olga Radomsky) ©Mona Evans, "Neptune Facts for Kids" www.bellaonline.c...

    Johann Elert Bode (1747-1826). German astronomer and celestial cartographer. He calculated the orbit of Uranus and gave the planet its name - Uranus was the father of Saturn. He is also known for Bode's Law, which isn't a law but a formula that describes the distances of the first seven planets from the Sun. (It doesn't work for Neptune.) (Science Photo Library) ©Mona Evans, "Bode and Bode's Law" www.bellaonline.c...

    berlin wall

    Cake handed out on Hitler's Birthday. April 20, 1934. Berlin.

    Berlin Airlift by Fritz Eschen

    East German construction workers, supervised by border guards, building the Berlin Wall, 1961.

    Berlin during WWII -

    peaking through the berlin-wall

    Children play with the shell of a drop bomb. Berlin, WWII. (Bundesarchiv). S)

    Berlin.

    Old Observatory in Göttingen. Astronomer Tobias Mayer observed the 1761 transit of Venus with a 12-foot refractor in this medieval tower. The observatory was moved elsewhere in the early nineteenth century, and in 1897 the tower was demolished. (Engraving: Joel Paul Kaltenhofer, 1773) ©Mona Evans, "Transit of Venus - Measuring the Solar System" www.bellaonline.c...

    Princesse Olga de Hanovre (1884-1958) fille du prince Ernst-Auguste II e Hanovre et de la princesse Thyra de Danemark

    1910

    Caroline Herschel (1750-1848). Caroline Herschel worked with her brother William in compiling the first catalog of nebulae. She was the first woman to discover a comet and in addition in comets, also discovered a number of deep-sky objects. She was awarded the Royal Astronomical Society's Gold Medal and was an honorary fellow of that society. (Portrait: M.F. Thielemann) ©Mona Evans, "Caroline Herschel" www.bellaonline.c...