Friday, February 15, 2013 11:30 am
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11:30 am
EST (GMT -05:00)
![Commander Chris Hadfield](/geography-environmental-management/sites/default/files/uploads/images/Hadfield%2CChris.jpg)
Hughson is also monitoring Hadfield’s blood pressure while on the five-month mission in an effort to answer questions about why some astronauts are prone to fainting once they return to Earth after extended space flight.
Hadfield will assume command of the orbiting research laboratory in March.
Follow the event by using the hashtags #AskHadfield or #uWaterloo, follow the event live tweet at @uWaterlooLIVE.