坐上电梯就可以进入太空去旅游，这是科学家的设想。这一设想是前苏联科学家在２０世纪６０年代提出来的，后来，美国科学家进一步做了论证。目前，这方面的探索仍没有停止。美国宇航局去年举行了一次太空电梯研讨会，专家提出用一根４．５万千米的绳索将电梯的上下两端连接起 Get on the elevator can enter space to travel, this is the idea of ​​scientists. This idea was proposed by scientists from the former Soviet Union in the 1960s. Later, scientists in the United States made further proofs. At present, the exploration in this area has not stopped. NASA held a space elevator seminar last year, the experts proposed to use a 45,000 km rope to connect the upper and lower ends of the elevator