[填空题]
The Moon orbits the Eaje oi4 gz8nl06rttj )z(ha w0cfbdn pluzw-+t;l.r:p; 2h such that the 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 partic; (pl 0wc.tra;+t2b) fjupnzl:-dwhzle orbiting the Earth.) $\times10^{ -6}$