标题: Can Man Expand to other Planets ? [打印本页] 作者: 神少 时间: 2003-5-19 18:22 标题: Can Man Expand to other Planets ?
As everyone knows , natural environment on the other , planets is very severe and different from that on the earth. Therefore , it is im-possible for man to survive there . Moreover , how to transfer so many people to other planet as the capacity of our spacecraft is limited; Fur-thermore , food and other energy resources should also be taken intoconsideration .
In short , as far as our present technology and equipment are con-cerned , it is not likely that man expand to other planets .作者: 蠽 时间: 2003-5-19 20:08
