Kepler's second law states that a planet moves fastest when it
A) passes through the minor axis.
B) is closest to the Sun.
C) is farthest from the Sun.
D) is at conjunction.

Question

Quizplus · Accepted Answer

Kepler's second law, also known as the law of equal areas, states that a line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time. This means that a planet moves fastest when it is closest to the Sun (perihelion) and slowest when it is farthest from the Sun (aphelion), making option B the correct answer.

Kepler's Second Law States That a Planet Moves Fastest When