By Mayo Clinic Staff. Dark circles under your eyes generally implies that the darkening is primarily below both eyes. This is different from bruising caused by trauma or redness and swelling caused by infection around only one eye. Causes.
Everything in the solar system is orbiting another space object. The planets, asteroids, comets, kuiper belt objects, Oort cloud, and everything else in the system orbits the â¦sun, Sol; and, Sol and the entire system orbit the center of the Milky Way galaxy.
Most of the planets in the Solar System possess secondary systems of their own, being orbited by planetary objects called natural satellites, or moons (two of which are larger than the planet Mercury), and, in the case of the four giant planets, by planetary rings, thin bands of tiny particles that orbit them in unison.