![The Royal Society on Twitter: The Royal Society on Twitter:](https://pbs.twimg.com/media/C15f051XEAEFUi7.jpg)
The Royal Society on Twitter: "It was #onthisday 1787, British astronomer William Herschel FRS discovered Titania and Oberon, two moons of Uranus https://t.co/z93YqPJ5iB… https://t.co/2dqEJ3xGIp"
![The first two moons to be discovered were Titania and Oberon, which were spotted by Sir William Herschel on January 11, 1787, si… | The last giant, Uranus, Herschel The first two moons to be discovered were Titania and Oberon, which were spotted by Sir William Herschel on January 11, 1787, si… | The last giant, Uranus, Herschel](https://i.pinimg.com/736x/b6/b7/74/b6b7747cd8590f9e51408c8d9068190d.jpg)
The first two moons to be discovered were Titania and Oberon, which were spotted by Sir William Herschel on January 11, 1787, si… | The last giant, Uranus, Herschel
![About William Herschel: German-born British astronomer, technical expert, and composer (1738 - 1822) | Biography, Discography, Bibliography, Facts, Career, Wiki, Life About William Herschel: German-born British astronomer, technical expert, and composer (1738 - 1822) | Biography, Discography, Bibliography, Facts, Career, Wiki, Life](https://peoplepill.com/media/people/thumbs/W/william-herschel.jpg)
About William Herschel: German-born British astronomer, technical expert, and composer (1738 - 1822) | Biography, Discography, Bibliography, Facts, Career, Wiki, Life
![William Herschel Discovered Titania and Oberon, the Two Largest Moons of Uranus, in 1787 » Celebrate and Learn William Herschel Discovered Titania and Oberon, the Two Largest Moons of Uranus, in 1787 » Celebrate and Learn](http://upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Uranus_moons.jpg/320px-Uranus_moons.jpg?w=144)
William Herschel Discovered Titania and Oberon, the Two Largest Moons of Uranus, in 1787 » Celebrate and Learn
![Uranus' moon Titania — Titania is the largest moon of Uranus. Titania was discovered on January 11, 1787 by William Hersche… | Uranus, Moons of uranus, Solar system Uranus' moon Titania — Titania is the largest moon of Uranus. Titania was discovered on January 11, 1787 by William Hersche… | Uranus, Moons of uranus, Solar system](https://i.pinimg.com/originals/00/eb/67/00eb67a1ea92db24acb866a01d707974.jpg)
Uranus' moon Titania — Titania is the largest moon of Uranus. Titania was discovered on January 11, 1787 by William Hersche… | Uranus, Moons of uranus, Solar system
![11 January 1787. William Herschel discovers Titania and Oberon, two moons of Uranus. | Moons of uranus, Uranus, Herschel 11 January 1787. William Herschel discovers Titania and Oberon, two moons of Uranus. | Moons of uranus, Uranus, Herschel](https://i.pinimg.com/originals/b0/9f/ba/b09fbada70b7f4227e090c483cf5dc55.jpg)