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The rings of Neptune are made of extremely dark material, likely organic compounds processed by radiation, similar to those found in the rings of Uranus. [5] The proportion of dust in the rings (between 20% and 70%) is high, [ 5 ] while their optical depth is low to moderate, at less than 0.1. [ 6 ]
8 sie 1999 · The two main rings, about 53,000 km (33,000 miles) and 63,000 km (39,000 miles) from Neptune, are 5 to 10 times brighter than in earlier images. The difference is due to lighting and viewing geometry. In approach images, the rings were seen in light scattered backward toward the spacecraft at a 15-degree phase angle.
12 mar 2012 · Neptune has five rings: Galle, Le Verrier, Lassell, Arago, and Adams. Its rings were named after the astronomers who made an important discovery regarding the planet.
14 gru 2012 · Made up of ice particles and silicates, the rings are reddish. Neptune's rings were first discovered when it passed between a star while astronomers were attempting to study the...
(*Lassell and Arago were originally identified as one ring, designated 1989N4R) For more details on the rings of Neptune, see the PDS Rings Node Vital Statistics.
18 maj 2018 · Neptune rings are named Lassell, Le Verrier, Galle, Adams, and Arago. The Adams ring is unique because it has five arcs. These arcs are named Courage, Liberte, Fraternite, and Egalite 1 and 2. The rings are made of very dark materials especially the organic compounds of radiation.
Neptune has at least five main rings and four prominent ring arcs that we know of so far. Starting near the planet and moving outward, the main rings are named Galle, Leverrier, Lassell, Arago, and Adams.
