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11 de may. de 2024 · Comet 6P/d'Arrest was discovered by Heinrich Louis d'Arrest on June 28, 1851. It has an orbital period of approximately 6.5 years and its perihelion distance is about 1.4 astronomical units (AU), while its aphelion distance is around 5.6 AU.
13 de may. de 2024 · be very close to the actual position spotted in September of 1846 by Johann Gottfried Galle and Heinrich Louis d’Arrest at the Berlin Observatory, a truly remarkable achievement for the epoch. This led to the discovery of planet Neptune, the eighth planet of the Solar System. As it happened with Uranus, we currently know that
Hace 3 días · It is the second planet to be found using a telescope. Although Johann Gottfried Galle and Heinrich Louis d’Arrest have the distinction of having been the first individuals to identify Neptune in the night sky, credit for its “discovery” was eventually credited to John Couch Adams and Urbain-Jean-Joseph Le Verrier.
- Neptune has 14 moons (natural satellites). Before Voyager 2's flyby of the planet, Neptune's only known moons were Triton and Nereid. Neptune's moo...
- Neptune’s outer atmosphere is composed predominantly of hydrogen and helium, contributing to 98 percent of the atmospheric molecules. Most of the r...
- Neptune is the only giant planet that is not visible without a telescope. It has an apparent magnitude of 7.8 and is approximately one-fifth as bri...
- Neptune’s color is a very vivid, bright blue, presumably an effect of the presence of methane and an unidentified atmospheric gas. With a small tel...
10 de may. de 2024 · Neptune was telescopically discovered by Johan Gottfried Galle and Heinrich Louis d'Arrest in Berlin on 23 September 1846 based on the prediction by Urbain Jean Joseph Le Verrier. The role German … Expand
Hace 4 días · D'Arrest: 2.1: 1973: Heinrich Louis d'Arrest; German/Danish astronomer (1822–1875) WGPSN: Drunlo: 4.2: 2006: Character in Lilliput who informed Flimnap that his wife had visited Gulliver privately in Gulliver's Travels: WGPSN: Flimnap
26 de abr. de 2024 · The brightest nebulosity, later listed as NGC 1977, was discovered by William Herschel in 1786. He catalogued it as "H V 30" and described "!! 42 Orionis and neb[ula]". The two smaller reflection nebulae were first noted by French astronomer Heinrich Louis d'Arrest, NGC 1973 in 1862 and NGC 1975 in 1864.[5]
27 de abr. de 2024 · This is a list of minor-planet discoverers credited by the Minor Planet Center with the discovery of one or several minor planets (such as near-Earth and main-belt asteroids, Jupiter trojans and distant objects).
