[填空题]
The Moon orbits the Earth such that the same side always faces the fq.jss lub lsqeb1g ))dz/+68 Earth. Deterqdefv qu88y. l* z)0x kt-dj,imine the ratio of the Moon’s spin angular momentum (about its own axis)t-d eud, *f)zyvijq88xq .l0k to its orbital angular momentum. (In the latter case, treat the Moon as a particle orbiting the Earth.) $\times10^{ -6}$