In the Rings of Saturn, There Are Two Main Rings

question 279

Multiple Choice

In the rings of Saturn, there are two main rings, the outer A ring and the inner B ring. How do the particles in these rings move relative to each other?

• A) Particles in the A ring move more slowly than those in the B ring.
• B) Speeds of the particles in all rings are the same because mutual gravitational forces between them ensure that they move as a solid disk.
• C) Speeds of the particles vary because of attraction by the Sun, so A particles sometimes move faster and at other times B particles move faster.
• D) Particles in the A ring move faster than particles in the B ring because they are farther from the planet.

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Definitions:

African Americans

People in the United States with ancestry traced to Africa, especially those whose ancestors were forcibly brought to the US as slaves.

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Refers to individuals of European descent; often used in sociocultural contexts to discuss racial identity and dynamics.

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