What are the long-term effects of living in space? Astronaut Scott Kelly is now halfway through a year-long mission. In our NewsHour Shares video of the day, NASA offers a progress report, comparing Scott with his twin brother, retired astronaut Mark Kelly, who remains on Earth.
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Today marks the halfway point in a year-long mission on the International Space Station. The goal? To figure out the long-term effects on the human body from being out of this world.
They are comparing NASA astronaut Scott Kelly, up in the station, with his identical twin brother, retired astronaut Mark Kelly, back here on Earth.