Space Station Astronaut Takes Social Media Questions

Aboard the International Space Station, Expedition 40 Flight Engineer Alexander Gerst of the European Space Agency (ESA) answered questions about life and work on the orbital laboratory during an in-flight event for ESA at the European Astronaut Center in Cologne, Germany, on Aug. 22. The questions for Gerst were compiled by ESA from Facebook and Twitter and covered a range of topics from the view of Earth from orbit, to food preparation to the value of social media in communicating the experience of human spaceflight.