By DPA,
Washington/Moscow : Two International Space Station (ISS) crew members installed an experiment outside the craft during a nearly five-hour long spacewalk.
US Commander Mike Fincke and Russian flight engineer Yury Lonchakov Tuesday completed the spacewalk around 2110 GMT, about one hour earlier than planned.
The spacewalk’s main objective was to place a European Space Agency container of micro-organisms outside the station to examine the effects of extreme temperatures and radiation. Fincke and Lonchakov also photographed the Russian parts of ISS.
The third ISS crew member, US astronaut Sandra Magnus, monitored the mission from the space station.
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