Mars moves in an elliptical orbit around the Sun. The Sun is located at
A) the exact center of the ellipse.
B) the focus of the ellipse that is closer to the point where Mars moves fastest.
C) one end of the major axis of the ellipse.
D) the focus of the ellipse that is closer to the point where Mars moves slowest.

Question

Quizplus · Accepted Answer

The Sun is located at one of the two foci of the elliptical orbit of planets, including Mars. The point where Mars moves fastest in its orbit is the perihelion, which is the point closest to the Sun.

Mars Moves in an Elliptical Orbit Around the Sun