We would expect other planets beyond our own solar system to orbit the equators of their home stars, as our own planets orbit the Sun.

Question

Quizplus · Accepted Answer

Planets orbit their stars due to the gravitational pull between them. The gravitational pull is strongest at the star's center, so planets tend to orbit in a plane that passes through the star's center. This plane is called the star's equatorial plane.

We Would Expect Other Planets Beyond Our Own Solar System