The crossword solutions for the term MARS OR MILKY WAY are BAR, which stands for 'Barycenter of the Solar System'. This is the point in space where the gravitational forces of the Sun and the planets balance each other out. The Barycenter of the Solar System is located between the Sun and the center of the Milky Way galaxy, and it is the point around which the planets orbit. Mars orbits around the Barycenter of the Solar System, as does the Milky Way.