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　　As the most curious being in the world, man is always keen on exploration. With the earth having been fully explored, the next logical target for man is definitely the space.

　　Several countries now are engaged in the space exploration, which is fun, and which fires our imagination. Of course, they are not doing it just for fun, but also for seeking answers to the following provocative questions: How was a planet formed? What is the essence of life? Are there any extraterrestrial beings as intelligent as or even more intelligent than humankind elsewhere in the universe? If this is the case, can we set up communication with them? Can man find a better planet to live on? If so, is mass-emigration from the overpopulated earth to such a planet possible? For only scores of years as space projects have been proceeding, we have already achieved quite a few encouraging results, and have benefited a lot from such programs-crystals, drugs or chemicals produced under zero gravity, satellite communications, manned space vehicles and stations, to name just a few.

　　Yet, some less curious and less ambitious people perceive such endeavour in a less positive way. They call space exploration as ’space race’, deeming it to be an extension of the race for power on earth and a pure waste of money. I don’t want to comment on such a short-sighted argument, but at least no one should impose restrictions on man’s desire for knowledge. If space research helps us gain better understanding of the working mechanism of the universe, of our earth and of our origins, there is no sound reason why anyone should go against it.

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