Astronauts Rick Mastrionio News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Astronaut s helmet and serious concern as all spacewalks are as an administrator told me last week. reason we re doing so much work right now with robotic capabilities like r-2 or external robot that is learning how to undo fixtures and electrical plugs and the like is because as infrequently as you can you want to send crews outside. so any eva puts a crew at risk. reporter: and the risk-takers this saturday morning will be nasa astronauts rick mastrionio, and michael hopkins. they will begin the six hour spacewalk 7:00 p.m. jon: having seen the moving average very gravity i would not want to do the spacewalk right now. reporter: they re all a gamble. jon: wasn t there a similar issue forced them to have a spacewalk before? reporter: almost identical with the pump valve back in 2010. that time it required two astronauts do three spacewalks, ....

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