Like a coin has two side,there is a positive aspect and a negative aspect to the humanbeings live in the outer space. The positive aspect is that the human can live in a new domicile,supply new energy resources,also can help human understand the space better .The study of the space is also benefit to other field . The negative aspect is that live in the space can spend more money,and it is impracticable for human live in other stars ,it also dangerous for humanbeings travel in space.
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