[填空题]
The Moon orbits the Earth qnyb z 0-5nx0o8q5rq 3pob)gqsuch t-o 2-sqnct3zt hat the same side always faces the Earth. Determine the ratio of the Moon’s spin angular momentum (about its own axis) tot q3cn2ot-s -z its orbital angular momentum. (In the latter case, treat the Moon as a particle orbiting the Earth.) $\times10^{ -6}$