摘要
The formation of the Moon remains obscure after＊400 years since Galileo saw that the Moon was mountainous in 1609.The current hypothesis is that the Moon formed through a low-angle collision between the Earth and Mar-size impactor,which is known as the Giant Impact model（e.g.Benz et al.1989）.The giant impact should be sufficiently
The formation of the Moon remains obscure after*400 years since Galileo saw that the Moon was mountainous in 1609.The current hypothesis is that the Moon formed through a low-angle collision between the Earth and Mar-size impactor,which is known as the Giant Impact model(e.g.Benz et al.1989).The giant impact should be
