Discovery astronauts install solar wings
Friday, March 20, 2009 - 00:21
in Astronomy & Space
The pieces will bring the International Space Station to full power, crucial for boosting science research and doubling its crew. Two U.S. astronauts ventured outside the International Space Station on Thursday on a six-hour spacewalk to install a 31,000-pound girder with solar wings, completing the final piece of the complex's structural backbone.