المساعد الشخصي الرقمي

مشاهدة النسخة كاملة : Astronauts repair space station pump


BECKHAM
25-12-2013, 01:50 AM
Two US astronauts successfully repair a critical cooling system pump at the International Space Station, during a rare Christmas Eve spacewalk.

for more... (http://www.bbc.co.uk/news/science-environment-25512534#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa)