The Particles in the Uranus Ring System Differ from Those

question 62

Multiple Choice

The particles in the Uranus ring system differ from those in the Saturn ring system in which important way?

• A) The particles of the Uranus ring system move as a solid ring held together by static electricity, not in Keplerian orbits, as do the Saturnian ring particles.
• B) The particles of the Uranus ring system reflect much more sunlight than do the particles of the Saturnian ring material.
• C) The average sizes of the particles of the Uranus ring system are larger; the particles of the Saturnian system are only snowflake or dust-grain size.
• D) The particles of the Uranus ring system reflect much less sunlight than do the particles in Saturn's rings.

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