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Uranus, discovered by Herschel in 1781. In March 1781, during his search for double stars, Herschel noticed an object appearing as a disk. Herschel originally thought it was a comet or a stellar disc, which he believed he might actually resolve. [40] He reported the sighting to Nevil Maskelyne the Astronomer Royal. [41]
o: 13 March 1781 p: 26 April 1781 Uranus: 7th Planet: Herschel first reported the discovery of Uranus on 26 April 1781, initially believing it to be a comet. [17]: 11 January 1787 p: 15 February 1787 Titania: Uranus III Uranus I (1787–1797) Herschel. [18] [19] He later reported four more spurious satellites. [20] Oberon: Uranus IV Uranus II ...
When in 1781 William Herschel discovered a new planet, Uranus, [89] it was found it lies at a distance beyond Saturn that approximately matches that predicted by the Titius-Bode rule. That rule observed a gap between Mars and Jupiter void of any known planet.
In 1781, William Herschel was looking for binary stars in the constellation of Taurus when he observed what he thought was a new comet. Its orbit revealed that it was a new planet, Uranus, the first ever discovered telescopically. [20] Giuseppe Piazzi discovered Ceres in 1801, a small world between Mars and
1781 – Charles Messier and his assistant Pierre Méchain publish the first catalogue of 110 nebulae and star clusters, the most prominent deep-sky objects that can easily be observed from Earth's Northern Hemisphere, in order not to be confused with ordinary Solar System's comets. [121] 1787 – Herschel discovers Uranus's moons Titania and ...
Sir William Herschel found the first new planet, Uranus, to be observed in modern times in 1781. The gap between the planets Mars and Jupiter disclosed by the Titius–Bode law was filled by the discovery of the asteroids Ceres and Pallas in 1801 and 1802 with many more following.
March 13 – William Herschel observes Uranus (although initially recording it as a comet). [1] March 20 – Pierre Méchain discovers dwarf galaxy NGC 5195. Charles Messier's final catalogue of Messier objects is published. Christian Mayer's catalogue of binary stars is published. [2]
13 March: Uranus discovered [image in false colour]. 28 February – foundation of the Literary and Philosophical Society of Manchester. [4] 13 March – Sir William Herschel discovers the planet Uranus. [3] Originally he calls it Georgium Sidus (George's Star) in honour of King George III.