Polymath World Channel
Polymath World # Episode 28 - Ricky Arnold
57:37
NASA Astronaut
The wonder of spacewalks
NASA astronaut Ricky Arnold has spent 210 says in space across his 2 missions. He has completed 5 spacewalks (EVAs) for over 32 hours. A former schoolteacher, marine biologist and accountant, Ricky became a NASA astronaut in the class of 2004. After completing a NEEMO mission undersea in Florida as well as a caves mission in Europe, he flew aboard Space…