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The macro engineering projects mentioned above represent bold attempts to solve earthbound problems. Space commercialization and industrialization is an attempt to get around some of the earth's physical and human constraints an avoid problems. Exhibit 14-4 lists useful attributes of space. Despite the tragedy of the spaceshuttle Challenger in January 1986, commercial exploitation of space seems to be an idea whose time has come. It is estimated that in the next few decades, commercial ventures in space could provide information services, unique space-derived products, and perhaps up to 20% of
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