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Johann Gottfried Galle ( Radis, 9 giugno 1812 – Potsdam, 10 luglio 1910) è stato un astronomo tedesco . Autografo. Grazie all'assistenza dell'allievo Heinrich Louis d'Arrest, riuscì per primo ad osservare il pianeta Nettuno il 23 settembre 1846.
Johann Gottfried Galle (9 June 1812 – 10 July 1910) was a German astronomer from Radis, Germany, at the Berlin Observatory who, on 23 September 1846, with the assistance of student Heinrich Louis d'Arrest, was the first person to view the planet Neptune and know what he was looking at.
2 giorni fa · Johann Gottfried Galle (born June 9, 1812, near Gräfenhainichen, Prussian Saxony—died July 10, 1910, Potsdam, Ger.) was a German astronomer who on Sept. 23, 1846, was the first to observe the planet Neptune.
- The Editors of Encyclopaedia Britannica
Astronomo tedesco (Pabsthaus, Sassonia, 1812 - Potsdam 1910) alla specola di Berlino (1835-51), dove scoprì l'anello interno di Saturno (1838), tre comete (1839-40) e il 23 sett. 1846, su indicazione di U. Le Verrier, il pianeta Nettuno. Diresse poi (1851-97) l'osservatorio di Breslavia.
GALLE, Johann Gottfried. Astronomo, nato il 9 giugno 1812 a Pabsthaus presso Gräfenhainichen (Sassonia), morto il 12 luglio 1910 a Potsdam.
22 set 2021 · Johann Gottfried Galle was the first to identify Neptune as the eighth planet in 1846, using a telescope and calculations by Urbain Le Verrier and John Couch Adams. Learn more about the history and exploration of Neptune and its moons, rings, and atmosphere.
With a prediction by Urbain Le Verrier, telescopic observations confirming the existence of a major planet were made on the night of September 23–24, 1846, at the Berlin Observatory, by astronomer Johann Gottfried Galle (assisted by Heinrich Louis d'Arrest), working from Le Verrier's calculations.
