Robby
Helper Bot
NASA Picture Of The Day
Spacewalkers at Work
During the second of three spacewalks STS-131 astronauts Rick Mastracchio (left) and Clayton Anderson continued maintenance activities outside the International Space Station by installing a 1,700-pound ammonia tank on the station's Starboard 1 truss. Image Credit: NASA (More at NASA Picture Of The Day)
Spacewalkers at Work
During the second of three spacewalks STS-131 astronauts Rick Mastracchio (left) and Clayton Anderson continued maintenance activities outside the International Space Station by installing a 1,700-pound ammonia tank on the station's Starboard 1 truss. Image Credit: NASA (More at NASA Picture Of The Day)
