[填空题]
The Moon orbits the Earth)3j kgzmclx9o+kg /:j *)vmot such that thi+ )op-+hh ouhl p,js:e same side always faces the Earth. Determine the ratio of the Moon’s spiis,-: p +hulo+p)hj hon angular momentum (about its own axis) to its orbital angular momentum. (In the latter case, treat the Moon as a particle orbiting the Earth.) $\times10^{ -6}$