Recipe for a spacewalk
(PHYSorg.com Space & Earth)

ESA astronaut Andreas Mogensen may be stationed on the ground, but his expertise was vital to the recent spacewalk of two NASA astronauts, Drew Feustel and Ricky Arnold. From maintaining constant radio contact on the day, to simulating activities underwater and planning for emergencies months in advance, he shares what it takes to make a spacewalk run smoothly as Europe`s second ever ground support in radio contact for a spacewalk.