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早在公元前5世纪,古希腊一位哲学家就曾提出:月球是一个像地球一样的世界。在他思想的影响下,一些人便认为月球和地球一样也有自
As early as the 5th century BC, a philosopher in ancient Greece proposed that the moon is a world like the Earth. Under the influence of his thoughts, some people think that the moon has the same ground as the earth