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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]
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]
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
The three men also visited the astronomer William Herschel at Slough, who had discovered Uranus in 1781. With his surveying skills, Méchain worked on maps of Northern Italy and Germany after this, but his most important mapping work was geodetic : the determination of the southern part of the meridian arc of the Earth 's surface between ...
Although Uranus was the first planet to be discovered by telescope, it is just about visible with the naked eye. Bode consulted older star charts and found numerous examples of the planet's position being given while being mistaken for a star, for example, John Flamsteed, Astronomer Royal in Britain, had listed it in his catalogue of 1690 as a ...
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.
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 ...
Oberon was discovered by William Herschel on January 11, 1787; on the same day, he discovered Uranus's largest moon, Titania. [1] [12] He later reported the discoveries of four more satellites, [13] although they were subsequently revealed as spurious. [14]