Newly elected Arizona Sen. Mark Kelly and his twin brother took part in a groundbreaking NASA experiment for 4 years. Here's what we learned from it.
Newly elected Arizona Sen. Mark Kelly and his twin brother took par…
Nov 6, 2020
BUSINESS INSIDERNathaniel Lee, Benji Jones
NASA’s 4-Year Twin Experiment Takes Us Closer To Mars Than Ever Before
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NASA made 10 discoveries after astronaut spent one year in space and identical twin stayed on Earth
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ladbible.com
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While Scott Kelly spent a year in space, his twin brother Mark was on Earth, which enables NASA to study the impact of spaceflight on the human body. #BeyondYearinSpacePBS premieres Wed, Nov 15 at 9pm on KQED 9. | KQED
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While Scott Kelly spent a year in space, his twin brother Mark was …
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Einstein's 'Time Dilation' Spread Age Gap for Astronaut Scott Kelly & His Twin
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Please watch this video from Senator Mark Kelly and his twin brother, Scott Kelly, and consider making a donation to Mark's campaign. | Captain Mark Kelly
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Mark and Scott Kelly talk spaceflights
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