Kepler's second law says that if a planet is in an elliptical orbit around a star, then the planet moves fastest when it is
A) farthest from the star.
B) closest to the star.
C) exceeding the escape velocity.
D) experiencing zero acceleration.
E) located at one of the foci.

Question

Quizplus · Accepted Answer

Kepler's second law, also known as the law of areas, states that a planet sweeps out equal areas in equal times. This means the planet moves fastest when it is closest to the star, at the point called perihelion.

Kepler's Second Law Says That If a Planet Is in an Elliptical