- (1738–1822), German-born British astronomer; full name Sir Frederick William Herschel. His cataloguing of the skies resulted in the discovery of the planet Uranus. He was the first to appreciate the great remoteness of stars and developed the idea that the sun belongs to the star system of the Milky Way.
More definitions of Herschel, Sir WilliamDefinition of Herschel, Sir William in:
- The US English dictionary