Astronauts to Embark on Spacewalk

Astronauts from the U.S. space agency are preparing for the first of a series of three spacewalks to repair a faulty cooling pump on the International Space Station. NASA says two astronauts will step out of the ISS Saturday (at 1210 UTC), spending nearly seven hours working on the orbiting spacecraft. They will start by disconnecting the faulty ammonia pump.A second spacewalk is scheduled for Monday before they finish their work on Wednesday. The malfunctioning pump shut down the space...

© La Voix de l'Amérique - samedi 21 décembre 2013