(HOUSTON) — U.S. astronaut Scott Kelly will return to Earth Tuesday after spending a year on the International Space Station.
For most of us earthlings, 340 days in space is pretty hard to imagine. It entails:
- 143,846,525 miles of space travel
- 5,440 orbits
- 10,260 sunrises and sunsets
- 640 hours on a treadmill to stay in shape
- 20 medical tests
The sunsets seem to be a favorite for Kelly, 52, who has become known for posting beautiful photos of them from orbit.
— Scott Kelly (@StationCDRKelly) February 27, 2016
— Scott Kelly (@StationCDRKelly) February 28, 2016
This is Kelly’s fourth mission, bringing his lifetime total to 520 days in space. NASA hopes the medical tests conducted on Scott Kelly and his twin brother, retired astronaut Mark Kelly, over the course of the mission will help them understand the effect of space travel on the body.
Scott Kelly’s journey home started Monday when he handed over command to fellow astronaut Tim Kopra.
— Intl. Space Station (@Space_Station) February 29, 2016
Kelly is expected to land in Kazakhstan Tuesday night and return to Houston Wednesday.
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