It has been nearly 4 years since a group of cowards attacked the World Trade Center Twin Towers in New York and the Pentagon in Washingon and caused the crash of a jet in Pennsylvania. Sunday, September 11 will be the anniversary of this tragic event. While the effects of terrorists crashing airplanes into the World Trade Center Twin Towers and the Pentagon on September 11, 2001 were devastating to most of us here in the United States, what kind of effect did the World Trade Center and Pentagon terrorist attacks of 9/11 have off the Earth, on the International Space Station?

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