NASA astronaut John "Danny" Olivas recently appeared on CNN to describe what it's like to perform a spacewalk and why astronauts go on them.
Olivas earned his doctorate in materials science and mechanical engineering from Rice University in 1996.
Visit CNN.com to watch the segment.
Astronauts stepped out of their spacecraft and into space for the first time in 1965. Since then, astronauts have conducted over 200 spacewalks. NASA astronaut Danny Olivas describes what it's like to perform one and why astronauts go on spacewalks. https://t.co/r5ROAIAeGf pic.twitter.com/YUSKwDJfEa— CNN (@CNN) May 27, 2021