The inner planets have a spherical shape. In fact all planets are more or less
spherical.
Planets are mostly spherical, but are not normally perfect spheres.
The shape of a planet's orbit is elliptical.
Both are true there is an interdependance.
Planet Arg.
I makes the planet spheical in shape.
The shape is an "ellipse".
Every planet has a center of gravity, anda sphere is the mostgravitationally stable shape for a planet to have.
The size of the planet along with the gravitational force within the planet.
elliptical
Sphere
no
a sphere
Elliptical