No, they are at least somewhat elliptical. They usually have an almost circular orbit. But some extra-solar planets do not. Epsilon Eridani b has a highly eliptical orbit.
No, they are at least somewhat elliptical. They usually have an almost circular orbit. But some extra-solar planets do not. Epsilon Eridani b has a highly eliptical orbit.
No, they are at least somewhat elliptical. They usually have an almost circular orbit. But some extra-solar planets do not. Epsilon Eridani b has a highly eliptical orbit.