OXFORD SCIENCE ARCHIVE / HERITAGE IMAGES / SCIENCE PHOTO LIBRARY OXFORD SCIENCE ARCHIVE / HERITAGE IMAGES / SCIENCE PHOTO LIBRARY
Sir William Herschel, astronomer, 1790s. Holding a diagram of planets and their planetary rings. Herschel constructed his own telescope after taking up astronomy as a hobby. As well as discovering the planet Uranus in 1781 and two of its satellites, he performed a major study of Saturn. He discovered two satellites, the rotation of the planetary rings and the period of the planet's rotation. He also catalogued and investigated the motions of binary stars, the results of which are still in use. Artist: John Russell.
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