多少年来,人们仰望蓝天,思绪万千。那洁白晶莹的月球,那繁星万点的银河,那无边无涯的宇宙,强烈地吸引着充满探索精神的人们。他们不相信:在这茫茫的宇宙中,人类竟是这样的孤单。决心要找一找那些神秘星球上的主人,会一会居住在太空里的知音。于是,人们热情地幻想着、研究着、探索着…… In the past few years, people have looked up at the sky with lots of thoughts. The crystal-clear moon, the glittering Milky Way, the boundless universe, strongly enthuses people full of exploration. They do not believe that human beings are so lonely in this vast universe. Determined to find a host of those mysterious planet, will be living in space for a while. So, people passionately imagined, studied, explored ......