Despite the ability of humans to reach the Moon, some in the scientific community are openly questioning the usefulness of sending humans to places like Mars. The physical ailments that can occur from prolonged space travel, as well as the psychological issues that could become involved, are all causes for scientific concern. The article also discusses the financial issues of a manned mission to Mars as opposed to an unmanned mission. Doug Millard, space curator of the Science Museum in London, predicts the cost of a manned exploratory mission to be many times greater than that of an unmanned mission.
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http://www.khaleejtimes.com/DisplayArticleNew.asp?xfile=data/theworld/2007/September/theworld_September839.xml§ion=theworld
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