Space Station Astronaut Answers Questions from Space.

Aboard the International Space Station, Expedition 47 Commander Tim Kopra of NASA discussed life and research on the complex with students attending the business school at Columbia University in New York during an in-flight question and answer session April 21. Kopra, who received a master’s degree in business administration from Columbia in 2013, has been aboard the station since December. He is scheduled to return to Earth in June to complete a half-year in orbit.