International Space Station astronauts perform a spacewalk.

Keywords: International Space Station astronaut spacewalks <P> </ P> <P> World Scientific reports [tech.]: A spokesman for Russian Mission Control Center Ground Lun announced the evening of March 10, the International Space Station, Russian cosmonaut Yuri .and U.S. astronaut Mike Fincke Longqiakefu Moscow time at 19:22 on the 10th (Beijing time at 0:22 on the 11th) to open the station door, began the spacewalk. .</ P> <P> Lun Jin Jieshao said the two astronauts in the space station first "Star" was re-installed outside the service module, code-named EXPOSE-R's European laboratory equipment, the equipment to study organisms in the open space .the possible impact on environment. .Carried out at the end of last year during the space walk, a technical failure due to experimental equipment, the astronauts had to temporarily cancel the installation program. .</ P> <P> according to plan, two astronauts will be followed by the Russian segment of ISS for repair maintenance. .The spacewalk is expected to continue almost 6 hours. .</ P> </ p>.