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人类在地球上繁衍生息几百万年,不断产生新的文明,不断探索新的领域,不断了解地球内部和外部世界。但是,地球是如何形成的?地球生命是如何出现的?关于这两个问题,人们一直在探索之中。多年来,关于地球的成因人们得到的只是各种假说和模式。它们主要是:一、彗星碰撞说。1749年提出。这一学说认为很久很久以前,一颗彗星撞上太阳,从太阳上面撞下了地球是如何形成的
The human race has multiplied on Earth for millions of years, constantly generating new civilizations, continuously exploring new fields and constantly understanding the world’s inner and outer planets. However, how did the Earth form and how did Earth’s life come about? People are constantly exploring these two issues. Over the years, people have got all kinds of hypotheses and models about the causes of the earth. They are mainly: First, comet collision said. 1749 proposed. This doctrine holds that long ago, a comet hit the sun and crashed into the sun from the sun