What Are the Rings Around Neptune Made Of?


Quick Answer

According to Gulf Coast Academy, Neptune’s rings form from rock and dust. These rings are faint and do not reflect light like the primarily icy rings of Saturn.

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What Are the Rings Around Neptune Made Of?
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Full Answer

One of Neptune’s rings, Adam, has an uneven distribution of rocks and dust. This causes the appearance of three arcs within the ring. Astronomers name the arcs Liberty, Equality and Fraternity. Scientists believe the arcs are due to the gravitational pull of one of Neptune’s moons, Galatea, which is inside orbit of the rings, explains the National Aeronautic and Space Association. The ring is the farthest ring from the planet. Astronomers count five rings and up to four arcs, primarily from satellite imagery.

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