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Scott Carpenter

Mercury astronaut Scott Carpenter rides in a flight simulator at the astronaut training center at Langley Field, Va., December 1959. (Dean Conger/Corbis)

Mercury astronaut Scott Carpenter dies at 88

The United States' fourth astronaut to fly in space and the second to orbit the Earth, Scott Carpenter, 88, died on Thursday, Oct. 10, 2013 after suffering a recent stroke. (collectSPACE.com)