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æè¦ï¼šDo We Need Space Exploration Man has been fascinated by outer space for thousands of years, It has been almost over forty years since man' s first landing on the moon. Now, some people believe that space exploration is a sheer waste of time and money. They point out the thct that it cost billions of dollars to can3' on the space research, but a little infrmation was brought back. In addition, the ..