The Size Distribution of Particles in the Rings of the Jovian

question 54

Multiple Choice

The size distribution of particles in the rings of the Jovian planets is

• A) from pebble-sized fragments to objects a few meters in diameter, with significant amounts of fine dust in and above some rings.
• B) from 10 m to 1 km across, with no smaller components.
• C) a mixture of gas (mostly hydrogen) and dust grains, none larger than about 1 mm across.
• D) only dust and smokelike particles.

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