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Mark Kelly, Twin Brother To Help NASA Study Effects Of Spaceflight On The Human Body

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Former Rep. Gabrielle Giffords and her husband, astronaut Mark Kelly, speak during the dedication ceremony of the Gabriel Zimmerman Meeting Room in the U.S. Capitol Visitors Center on April 16, 2013 in Washington, D.C. (credit: Chip Somodevilla/Getty Images)

Former Rep. Gabrielle Giffords and her husband, astronaut Mark Kelly, speak during the dedication ceremony of the Gabriel Zimmerman Meeting Room in the U.S. Capitol Visitors Center on April 16, 2013 in Washington, D.C. (credit: Chip Somodevilla/Getty Images)

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PHOENIX (AP) — Astronaut Mark Kelly and his twin brother will help NASA study the effects of spaceflight on the human body.

NASA announced Friday that Mark Kelly and astronaut Scott Kelly will participate in 10 different investigations.

Craig Kundrot, deputy chief scientist of NASA’s Human Research Program, says in a news release that the brothers provide a unique opportunity to study two people with the same genetics who were in different environments.

Officials say Scott Kelly spent a year in space while Mark Kelly was on Earth.

NASA says it is hoping the studies can be the basis for future research initiatives.

Mark Kelly is the husband of former U.S. Rep Gabrielle Giffords, who has been recovering after being shot in the head in 2011 in her home district of Tucson.

He and Giffords are working on a book on gun control.

(© Copyright 2014 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)

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