Astronauts complete seven hour spacewalk to prep ISS for its new solar panels
The eight existing solar panels on the ISS are 12 to 20 years old which is past their design lifetime and deteriorating.
from http://www.firstpost.com/tech/science/astronauts-complete-seven-hour-spacewalk-to-prep-iss-for-its-new-solar-panels-9359491.html
from http://www.firstpost.com/tech/science/astronauts-complete-seven-hour-spacewalk-to-prep-iss-for-its-new-solar-panels-9359491.html
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