当20世纪中期人类挣脱地球的束缚,逐渐有能力去探测地球以外的空间时,月球作为地球的惟一天然卫星,首先得到了人们的关注。从1958年至1976年,美国和前苏联两个航天大国都多次对月球进行了探测,取得了大量探测成果。然而日本这样一个航天技术起步时间并不早的国家,却第三个发射了月球探 When mankind broke free from the shackles of the earth in the mid-20th century and gradually became able to detect space outside Earth, the moon, as the only natural satellite on Earth, got the attention of people first. From 1958 to 1976, the two space powers of the United States and the former Soviet Union made many times to probe the moon and made a great deal of exploration results. However, Japan, a space technology started earlier time not a country, but the third launched lunar exploration