![Ghazwan Butrous on Twitter: "Caroline #Herschel born #onthisday 1750 German #astronomer, the sister of William Herschel discovered several #comets #histsci #otd https://t.co/ROuy7MHLrO" / Twitter Ghazwan Butrous on Twitter: "Caroline #Herschel born #onthisday 1750 German #astronomer, the sister of William Herschel discovered several #comets #histsci #otd https://t.co/ROuy7MHLrO" / Twitter](https://pbs.twimg.com/media/C7C0ygYWsAAZ1Do.jpg)
Ghazwan Butrous on Twitter: "Caroline #Herschel born #onthisday 1750 German #astronomer, the sister of William Herschel discovered several #comets #histsci #otd https://t.co/ROuy7MHLrO" / Twitter
National Council of Science Museums-NCSM on Twitter: "This Day in the History of Science Astronomer William Herschel, discovered 𝑻𝒊𝒕𝒂𝒏𝒊𝒂 and 𝑶𝒃𝒆𝒓𝒐𝒏, two moons of the Uranus on January 11, 1787. #historyofscience #Science #
![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
![William Herschel: The 'greatest observer' who discovered Uranus and helped the Royals stargaze - Berkshire Live William Herschel: The 'greatest observer' who discovered Uranus and helped the Royals stargaze - Berkshire Live](https://i2-prod.getreading.co.uk/incoming/article21928713.ece/ALTERNATES/s615/0_GettyImages-92831586.jpg)