[填空题]
The Moon orbits the Eqwdrk 96* kao48u/mp tart1:7 hai8wp4 fe tjdcw jsyb*r 53;gu2rh such that the same side always faces the Earth. Determine the ratio of the Moo3t; a2eh8s 17 jrwcwfjbdui 4py*:gr5 n’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.) $\times10^{ -6}$