Figure 10-2: R I V U X G
Motion of the Earth-Moon System (a) Earth and the Moon both orbit around their center of mass, which in turn follows an elliptical orbit around the Sun. (b) The illustration in part (a) is analogous to this time-lapse image of a spinning wrench sliding across a table.
Motion of the Earth-Moon System (a) Earth and the Moon both orbit around their center of mass, which in turn follows an elliptical orbit around the Sun. (b) The illustration in part (a) is analogous to this time-lapse image of a spinning wrench sliding across a table.
(b: Berenice Abbott/Photo Researchers)