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Astronomer · 1738 CE – 1822 CE

William Herschel

History of AstronomyModern Astronomy

Biography

William Herschel was a German-born musician who became the most prolific observer of his age, building the largest telescopes in the world. In 1781 he discovered Uranus — the first planet found since antiquity — doubling the size of the known Solar System, and he later discovered infrared light and mapped the structure of the Milky Way.

Scientific contributions

  • Discovered the planet Uranus (1781)
  • Discovered infrared radiation
  • Surveyed and catalogued thousands of nebulae and double stars

Major discoveries

Related scientists

Observatories, instruments & objects

Knowledge connections

Sources & references

The primary and reference sources this topic draws on.

  • BritannicaEncyclopaedia Britannica

    General reference for the history of astronomy, biographies, and cultural context.

  • IAUInternational Astronomical Union

    Official naming, definitions, constellation boundaries, and astronomical nomenclature.