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宇宙很大，宇宙间的星体也接近无数多，许多人坚信其中一定存在有与地球条件一样的星体，且那里生活着与地球人相似的高级智慧生命。 有没有外星人 很多科学家都相信宇宙里存在外星人。他们认为生命的演化应该是宇宙中的普遍现象。美国康奈尔大学的德雷克教授还从天
The universe is large, and the stars in the universe are close to numerous. Many people believe that there must be a star that has the same conditions as the Earth, and that there is a high-level intelligent life similar to Earth people. There are no aliens Many scientists believe that there are aliens in the universe. They believe that the evolution of life should be a universal phenomenon in the universe. Professor Drake from Cornell University in the United States also from heaven