Question

13/22 planets orbit the sun in a shape called a(n)

Explanation:

According to Kepler's first law of planetary motion, planets orbit the Sun in elliptical paths with the Sun at one of the foci. A circle is a special - case of an ellipse, but in general, planetary orbits are ellipses. Perihelion is the point of closest approach to the Sun in an orbit, and focus is a point related to the ellipse but not the shape of the orbit itself.

Answer:

D. ellipse