What hypothesis may explain the origin of the rings of Uranus and Neptune? Provi

Question

What hypothesis may explain the origin of the rings of Uranus and Neptune? Provide evidence to support this hypothesis.

a. The rings formed out of debris produced by impacts of meteorites and comets on the planet’s moons. Rings must be resupplied continuously with new material, and meteorites and comets plus collisions among debris particles provide a source of the boulders observed in the rings. b. The rings formed together with the planets from the solar nebula. Chemical and spectroscopic analysis shows that the rings have the same compositions as planets and moons. c. The rings formed out of debris produced by impacts of meteorites and comets on the planets’ moons. These impacts are frequently observed from Earth through large telescopes. d. The rings formed together with the planets from the solar nebula. Analysis of their motion together with motion of satellites shows that the rings have existed for a very long time.

Explanation / Answer

Answer:

a. The rings formed out of debris produced by impacts of meteorites and comets on the planet’s moons. Rings must be resupplied continuously with new material, and meteorites and comets plus collisions among debris particles provide a source of the boulders observed in the rings.

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