[填空题]
The Moon orbits the E od kug51e xjtio136tu*li3 3varth such that the g, (axmb)fbl+ same side always faces the Earth. Determine the ratio of the Moon’s spin angular momentum (about its own axis) to its orbital angular momentum. (In the latter case, treat the Moon as a particle orbiting the Ealbmgx,+ ) abf(rth.) $\times10^{ -6}$