Questions
ASTRON 2140 AU2025 (23428) Final - 2025 Dec 12
Single choice
Kepler's second law states that the line joining the Sun to a planet
Options
A.moves more slowly the nearer it is to the Sun.
B.None of the choices given here is correct.
C.has constant length.
D.covers an area equal to the cube of its length.
E.sweeps out equal areas in equal times.
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Step-by-Step Analysis
Contextualizing the question helps: Kepler's second law, also known as the law of equal areas, describes how a planet sweeps out areas at a constant rate as it orbits the Sun.
Option 1: 'moves more slowly the nearer it is to the Sun.' This describes a variation in orbital speed but not the fundamental statement of equal-area sweeping; in fact,......Login to view full explanationLog in for full answers
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