Abstract:
The Moon, which was believed that died out about 2.5-3.5 billion years ago with volcanic and tectonic activity had essentially ceased by 2.5 Ga., represents an end member in terms of terrestrial planet evolution in the inner Solar System. However, the Apollo data, especially coupled with the new data of the Moon about lunar tectonic, volcanic, moonquake and interior structure obtained by lunar orbiters and landers during the past dozen years, shows evidence that suggests the Moon remained active from deep interior to the surface, and by no means of died out totally. This will change our view of the lunar evolution history and status.