How working for NASA actually works, according to a former NASA astronaut

"He went on to fly two Space Shuttle missions, in 2002 and 2009, both focused on servicing the Hubble Space Telescope. During these missions, he performed multiple space walks and was part of a team that set a record for total spacewalking time on a single shuttle mission."

"He talks to Business Insider about astronaut training and recruitment, as well as daily life in space, including how astronauts eat, drink, and sleep. He also discusses becoming the first person to tweet from space and shares his perspective on the future of human spaceflight, including the Artemis II mission."

"Massimino began his career as an engineer working at IBM and McDonnell Douglas Aerospace after earning degrees from Columbia University and the Massachusetts Institute of Technology. He applied to NASA three times before being selected as an astronaut in 1996."

Mike Massimino is a former NASA astronaut who completed two Space Shuttle missions in 2002 and 2009, both dedicated to servicing the Hubble Space Telescope. He performed multiple spacewalks and contributed to setting a record for total spacewalking time on a single shuttle mission. Before joining NASA, Massimino worked as an engineer at IBM and McDonnell Douglas Aerospace after earning degrees from Columbia University and MIT. He applied to NASA three times before being selected as an astronaut in 1996. After leaving NASA, he became a professor of mechanical engineering at Columbia University and serves as a senior advisor for space programs at the Intrepid Museum. Massimino has shared insights about astronaut training, recruitment, and daily life in space, and made notable television appearances.

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