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Mark Kelly
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From outer space to the U.S. Senate Twins in space Mark Kelly and Gabby Giffords On the campaign trail together Endeavour: STS-134 Captain Mark Kelly embraces his wife, Congresswoman Gabrielle Giffords, smiling at each other after his retirement ceremony, with Vice President Joe Biden smiling in the background. Scott Kelly and Mark Kelly
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Edwin E. Aldrin (Buzz Aldrin) stands on the moon, Apollo 11
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From outer space to the U.S. Senate
From outer space to the U.S. Senate Mark Kelly flew on four shuttle missions for NASA before winning a Senate seat that had been held by Republicans, including Barry Goldwater and John McCain, for more than 50 years.

Mark Kelly

American astronaut and United States senator
Also known as: Mark Edward Kelly
Written by
Tracy Grant
Tracy Grant is a senior editor at Encyclopaedia Britannica. She previously served as editor in chief, the first woman to hold that title. 
Tracy GrantAll
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Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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ā€¢History

Mark Kellyā€™s life story could be told as a fairy tale, as science fiction, as a romance novel, or as a tale of political intrigue. It is all of those thingsā€”and then some. At its most basic, Kellyā€™s story is that of a suburban kid who grew up to be an astronaut, marry a congresswoman, and be elected to the U.S. Senate. But layer in the facts that he has an identical twin brother who...

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