8
QuizMultiple Choice

Universal Gravitation — Quiz

Question 8 • Earth and Space Science

Why does Io experience approximately 365 eclipses per year?

Answer
A
Its short orbital period leads to frequent passes through Jupiter's shadow.
B
It is farther from Jupiter than most other moons.
C
It is the largest moon in the solar system, so it blocks the most sunlight.
D
Its orbit is unpredictable due to volcanic activity.
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