[填空题]
The Moon orbits the Earth such t g adcxm7/;w2nhat the same nmoty-6*mt)ru.g h/m side always faces the Earth. Determine the ratio of the Moon’s spin angular momentum (about its own axis) to its orbital anguo) m.6g-m *hut /rnymtlar momentum. (In the latter case, treat the Moon as a particle orbiting the Earth.) $\times10^{ -6}$