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Hace 5 días · La primera luna de Neptuno en ser descubierto es Tritón: este satélite fue observado por primera vez por William Lassell diecisiete días después del descubrimiento del planeta azul en 1846. Un satélite natural más fue descubierto en 1949 por Gerard Kuiper, quien nombró a esta luna Nereida .
Hace 1 día · It was discovered in 1850 by William and George Bond, though William R. Dawes and Johann Galle also saw it independently. William Lassell termed it the "Crepe Ring" because it seemed to be composed of darker material than the brighter A and B Rings.
Hace 3 días · 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.
24 de may. de 2024 · In 1851, William Lassell had discovered two other moons of Uranus. But it was John Herschel who gave all four moons their final names. For the two Lassell discovered he chose Ariel and Umbriel. Ariel is a sky spirit and Umbriel a melancholy sprite in Alexander Pope’s 1712 poem “The Rape of the Lock.”
Hace 3 días · Its spiral nature was discovered in 1862 by William Lassell using a 48 inch reflector. Informally known as the “Southern Pinwheel Galaxy”, at -29°51'56" declination it is the 8th most southern in Messier ’s list, lying just 14.5’ north of the Hydra-Centaurus border.
Hace 1 día · Before any more Uranian moons were discovered, William Lassell sometimes adopted Herschel's numbers where Titania and Oberon are respectively Uranus II and IV, and sometimes called them respectively Uranus I and II.
21 de may. de 2024 · Uranus' largest two satellites, Titania and Oberon, were discovered by the same astronomer who discovered Uranus itself, the British William Herschel, in 1787. Ariel and Umbriel were then discovered by William Lassell in 1851, and these first four moons were named in 1852 by Herschel's son John.
