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The largest moons have planet or dwarf characteristics, while the small moons have _______ characteristics.
Planetissmal
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What is the best evidence that Neptune's moon, Triton, is a captured planetary embryo?
Triton's orbit is a retrogade orbit
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Earth's moon is the ________ largest moon in the solar system.
5th
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The correct orbit-size sequence for the galilean moons of Juptier, from smallest to largest is ________.
Io, Europa, Ganymede, Callisto
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For moons formed beyond the "snow-line" with densities less than 3g/cc, the density of the moon can tell us________.
The ratio of ices and rock within the material of the moon
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With a few exceptions, all of the rings in the ring systems of the Jovian planets reside__________.
inside the roche limit
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Why are there gaps in saturn's rings?
Ring material orbit period resonances with some of saturn's moons.
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The rings of saturn are , on average, about _______ kilometer(s) thick.
0.01
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What is the approximate value of the classical roche limit?
2.44 planet planet radii from the center of the planet
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On the arrangement of moons and rings, __________.
Small moons can intermingle with rings and actually increase the stability of rings
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The coma of a comet is created through the process of _________.
Sublimation
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After passing through perihelion, a comet's tail will_______.
Move ahead of the nucleus and coma and precede the comet as it leaves the inner solar system
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Although this parameter's value varies from one comet apparition to the next, comets all have large _________.
Eccentricities
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Since comets lose mass with each apparition, ________.
Comets live for finite time periods
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The solar wind_________.
Is made of small particles
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