So is gravity the only force acting in the solar system keeping planets in their year to year orbit paths?It keeps planets in their orbit paths without flaw every year correct?The Earth,moon and sun orbitung paths are the same yearly correct?Is this correct , The earth is spinning while it moves circular around a spinning moon while both the spinning moon and spinning earth both spinning together around a circular motion around a spinning sun?And they do this every year endlessly?Gravity is acting around several acts of gravity to keep everything in check?