1846 AD
Astronomers identify Neptune
Observations in Berlin confirm a planet predicted mathematically.
- Time period
- 1846 AD
- Region
- Europe
- Theme
- Science
- Civilization
- European astronomy
In 1846, Johann Gottfried Galle and Heinrich Louis d'Arrest observed Neptune at the Berlin Observatory. They used Urbain Le Verrier's calculations, demonstrating the predictive power of gravitational theory.