What tax dollars in space have brought

Updated 5:59 PM ET, Fri October 19, 2012
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A Delta II GPS rocket lifts off from Cape Canaveral Air Force Base in 2009. Global positioning satellites that communicate with our handheld devices arose as a result of space exploration. Getty Images
Digital imaging processing, initially developed by NASA to capture close-up images of the moon, is now used to enlarge and enhance images of human organs through magnetic resonance imaging (MRI) and CT scan. AFP/Getty Images
NASA's Earth Observing System Data and Information System (EOSDIS) collects and archives large amounts of information on a daily basis. In partnership with Archivas, Inc., the same high-tech software program is used to store information for hospitals, cell-phone providers, businesses and organizations. R.B. Husar, Washington University/NASA
The fibrous material used to make the Mars Viking lander's parachute is now being used to make automobile and aircraft tires. Its tread life is 10,000 miles greater than traditional tires. NASA/JPL-Caltech