[填空题]
The Moon orbits the Earth such that thsqf/73 j0l ;l,uhg u)mg)u.xw vpq(eme same side always faces thex(uk dqi(1f06 oq br3z 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 orbitii(rd61xf ok(uqb3q 0zng the Earth.) $\times10^{ -6}$