Luca Parmitano reveals unique pre-flight astronaut rituals

Video. Luca Parmitano reveals unique pre-flight astronaut rituals

Astronauts are trained to think rationally, ready at any moment to respond to danger with a clear head and nerves of steel. But behind the scientific facade, they are as superstitious as the rest of us, European Space Agency Astronaut Luca Parmitano reveals.