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21 de may. de 2024 · Primii sateliți naturali ai planetei Uranus au fost descoperiți de astronomul William Herschel, in 1787. În 1846, William Lassell a descoperit primul satelit natural al planetei Neptun. Apoi, mai târziu, în 1877, Asaph Hall a descoperit cei doi sateliți ai lui Marte. Dar nu doar planetele au luni, ci și planetele pitice.
4 de may. de 2024 · William Lassell was born in Bolton in 1799. The first moon he discovered was Triton, orbiting Neptune, in 1846. In 1848 he, along with William Cranch Bond and his son George Phillips Bond, co-discovered Hyperion, a moon orbiting Saturn. In 1851 he discovered two moons, Ariel and Umbriel, orbiting Uranus.
13 de may. de 2024 · On May 24th, 1981, Harold J. Reitsema, William B. Hubbard, Larry A. Lebofsky and David J. Tholen were watching the approach of a star towards Neptune. They were looking for the telltale sign of the presence of rings around Neptune - a slight reduction in luminosity just as the star came closest.
2 de may. de 2024 · Triton is a Greek name meaning "son of Poseidon, god of the sea." In Greek mythology, Triton was a merman who was the son of Poseidon and Amphitrite. Triton is also the name of the largest moon of Neptune, which was discovered in 1846 by British astronomer William Lassell.
Hace 5 días · Umbriel was discovered along with Ariel on October 24, 1851 by William Lassell. It is slightly larger than Ariel with a diameter of 1,169 km (726 mi). While Ariel is the name of a character from a William Shakespeare play, both of the Uranian moons Ariel and Umbriel were actually named after characters that appeared in the poem "The Rape of the Lock", which was written by British author ...
21 de may. de 2024 · Lassell (lunar crater) - Lassell is a small lunar impact crater that is located in the eastern part of the Mare Nubium. It was named after British astronomer William Lassell. Lassell (Martian crater) - Lassell is an impact crater in the Coprates quadrangle of Mars, located at 20.9°S latitude and 62.5°W longitude.
18 de may. de 2024 · He and William Lassell co-discovered Uranus’ second moon, Umbriel, in 1847. While researching a solar eclipse in 1851, he came to the conclusion that the waves emanating from the sun were plasma, not an optical illusion. Solar corona was a controversial concept at the time, but it was ultimately confirmed to be correct.
