![File:La Palma - Observatorio del Roque de los Muchachos - Telescopio William Herschel - 01.jpg - Wikimedia Commons File:La Palma - Observatorio del Roque de los Muchachos - Telescopio William Herschel - 01.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/0/01/La_Palma_-_Observatorio_del_Roque_de_los_Muchachos_-_Telescopio_William_Herschel_-_01.jpg/1200px-La_Palma_-_Observatorio_del_Roque_de_los_Muchachos_-_Telescopio_William_Herschel_-_01.jpg)
File:La Palma - Observatorio del Roque de los Muchachos - Telescopio William Herschel - 01.jpg - Wikimedia Commons
![museo astronomico di brera | Did you know that… William Herschel discovered binary star systems, systems of stars orbiting one around the other? museo astronomico di brera | Did you know that… William Herschel discovered binary star systems, systems of stars orbiting one around the other?](http://museoastronomico.brera.inaf.it/wp-content/uploads/2018/10/Sir_William_Herschel_and_Caroline_Herschel._Wellcome_V0002731_cropped-706x1024.jpg)
museo astronomico di brera | Did you know that… William Herschel discovered binary star systems, systems of stars orbiting one around the other?
![El Telescopio William Herschel del Roque participa en la primera detección de moléculas de gas en un cometa de otra estrella El Telescopio William Herschel del Roque participa en la primera detección de moléculas de gas en un cometa de otra estrella](https://static.eldiario.es/clip/46a5b9fa-73e6-43a8-bde6-2f6113ca2caf_16-9-aspect-ratio_default_0.jpg)
El Telescopio William Herschel del Roque participa en la primera detección de moléculas de gas en un cometa de otra estrella
![Engraving depicting William Herschel's giant telescope which had a focal length of 40-feet. William Herschel (1738-1822) a German-born British astronomer and composer. Dated 19th century Stock Photo - Alamy Engraving depicting William Herschel's giant telescope which had a focal length of 40-feet. William Herschel (1738-1822) a German-born British astronomer and composer. Dated 19th century Stock Photo - Alamy](https://c8.alamy.com/comp/MR77KC/engraving-depicting-william-herschels-giant-telescope-which-had-a-focal-length-of-40-feet-william-herschel-1738-1822-a-german-born-british-astronomer-and-composer-dated-19th-century-MR77KC.jpg)
Engraving depicting William Herschel's giant telescope which had a focal length of 40-feet. William Herschel (1738-1822) a German-born British astronomer and composer. Dated 19th century Stock Photo - Alamy
![Color enhanced illustration of a telescope, the largest of its time, built by German-British astronomer Sir Frederick William Herschel (1738-1822). He discovered the planet Uranus in 1781, resulting in his appointment as Color enhanced illustration of a telescope, the largest of its time, built by German-British astronomer Sir Frederick William Herschel (1738-1822). He discovered the planet Uranus in 1781, resulting in his appointment as](https://c8.alamy.com/comp/G15KHK/color-enhanced-illustration-of-a-telescope-the-largest-of-its-time-G15KHK.jpg)
Color enhanced illustration of a telescope, the largest of its time, built by German-British astronomer Sir Frederick William Herschel (1738-1822). He discovered the planet Uranus in 1781, resulting in his appointment as
![William Herschels 40foot Telescope Built 178589 Wood Engraving Published 1877 Stock Illustration - Download Image Now - iStock William Herschels 40foot Telescope Built 178589 Wood Engraving Published 1877 Stock Illustration - Download Image Now - iStock](https://media.istockphoto.com/id/120690298/vector/william-herschels-40-foot-telescope-built-1785-89-wood-engraving-published-1877.jpg?s=612x612&w=is&k=20&c=PaCXcQZ7SKOlcN_FfJvlptTTUlnF4iD8nhQS7nUS4wU=)