[填空题]
The Moon orbits the Earth such that the same side a,7ub nv ++5hl xbw )xhxt:qxt4lways faces the Earth. D. h6jpsd uo:p71kr(wsetermine theko ssw jru76( hp:1p.d 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 Earth.) $\times10^{ -6}$