MAR 27, 2015 7:01 PM PDT

An Identical Twin Spending One Year In Space Infographic

WRITTEN BY: Andrew J. Dunlop
Astronaut Scott Kelly will be spending a year in space at the ISS to study the effects of long-duration space missions on the human body.  Meanwhile, his identical twin, Mark Kelley will be here on earth.
About the Author
  • Andrew J. Dunlop lives and writes in a little town near Boston. He's interested in space, the Earth, and the way that humans and other species live on it.
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