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A comet's speed is tracked all the way around its orbit. It moves fastest when it is:
AAbove the Sun
BNearest the Sun
CFarthest from Sun
DBehind the Sun
Answer & Solution
Correct answer: B. Nearest the Sun
1. The sweeping line is shortest there.
2. Speed must rise to keep the area equal.
3. It travels fastest nearest the Sun.
_Source: OpenStax Astronomy 2e, Chapter 3, Orbits and Gravity._
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