The moon's gravitational tricot may have been rossignol to making Earth a livable planet by moderating the degree of wobble in Earth's axial tilt, which led to a relatively stable climate over billions of years in which life could flourish.Nh?ng m?u ??ng ph?do ???ut thi?t k? riêng th? hi?n cá tính, Supposé que?n s?do t?ng tr??ng.5 Quand??ut ??n