![On March 13, 1781, Sir William Herschel discovered Uranus, the seventh planet from the sun. Before Herschel discovered Uranus, other astronomers had seen it before, but no one realized it was planet. On March 13, 1781, Sir William Herschel discovered Uranus, the seventh planet from the sun. Before Herschel discovered Uranus, other astronomers had seen it before, but no one realized it was planet.](https://preview.redd.it/oc4ckt3sm5n81.jpg?width=640&crop=smart&auto=webp&s=6cfcdff4759d0e2bbcb688ec927cf563e03aa960)
On March 13, 1781, Sir William Herschel discovered Uranus, the seventh planet from the sun. Before Herschel discovered Uranus, other astronomers had seen it before, but no one realized it was planet.
![A plan of the solar system, exhibiting relative magnitudes and distances. The planet Uranus is here called Herschel. Historical engraving, 18th century. William Herschel discovered Uranus on 13 March 1781, expanding the A plan of the solar system, exhibiting relative magnitudes and distances. The planet Uranus is here called Herschel. Historical engraving, 18th century. William Herschel discovered Uranus on 13 March 1781, expanding the](https://c8.alamy.com/comp/T96K5M/a-plan-of-the-solar-system-exhibiting-relative-magnitudes-and-distances-the-planet-uranus-is-here-called-herschel-historical-engraving-18th-century-william-herschel-discovered-uranus-on-13-march-1781-expanding-the-known-boundaries-of-the-solar-system-and-making-it-the-first-planet-discovered-with-a-telescope-consensus-on-the-name-was-not-reached-until-almost-70-years-after-the-planets-discovery-T96K5M.jpg)
A plan of the solar system, exhibiting relative magnitudes and distances. The planet Uranus is here called Herschel. Historical engraving, 18th century. William Herschel discovered Uranus on 13 March 1781, expanding the
![A plan of the solar system, exhibiting relative magnitudes and distances. The planet Uranus is here called Herschel. Historical engraving, 18th century. William Herschel discovered Uranus on 13 March 1781, expanding the A plan of the solar system, exhibiting relative magnitudes and distances. The planet Uranus is here called Herschel. Historical engraving, 18th century. William Herschel discovered Uranus on 13 March 1781, expanding the](https://c8.alamy.com/comp/T96K5G/a-plan-of-the-solar-system-exhibiting-relative-magnitudes-and-distances-the-planet-uranus-is-here-called-herschel-historical-engraving-18th-century-william-herschel-discovered-uranus-on-13-march-1781-expanding-the-known-boundaries-of-the-solar-system-and-making-it-the-first-planet-discovered-with-a-telescope-consensus-on-the-name-was-not-reached-until-almost-70-years-after-the-planets-discovery-T96K5G.jpg)
A plan of the solar system, exhibiting relative magnitudes and distances. The planet Uranus is here called Herschel. Historical engraving, 18th century. William Herschel discovered Uranus on 13 March 1781, expanding the
Oldest Wooden School House - Science teachers... Your students love this planet! URANUS was discovered today in 1781. 😆 The German-born English astronomer William Herschel discovered Uranus, the seventh planet from the
![ESA space history on Twitter: "#OTD 13 March 1781 William Herschel discovers Uranus.Had first reported it as a comet. https://t.co/C1UL5ymGGD https://t.co/ceVFW9ajTm" / Twitter ESA space history on Twitter: "#OTD 13 March 1781 William Herschel discovers Uranus.Had first reported it as a comet. https://t.co/C1UL5ymGGD https://t.co/ceVFW9ajTm" / Twitter](https://pbs.twimg.com/media/CdbrTkXWoAAW-Vv.jpg)
ESA space history on Twitter: "#OTD 13 March 1781 William Herschel discovers Uranus.Had first reported it as a comet. https://t.co/C1UL5ymGGD https://t.co/ceVFW9ajTm" / Twitter
![British Museum on Twitter: "#onthisday in 1781: Sir William Herschel discovered the planet Uranus http://t.co/0RuyKKuyoF http://t.co/DP08swWhHB" / Twitter British Museum on Twitter: "#onthisday in 1781: Sir William Herschel discovered the planet Uranus http://t.co/0RuyKKuyoF http://t.co/DP08swWhHB" / Twitter](https://pbs.twimg.com/media/B_9lVKKUgAAAA6e.jpg:large)