05/29/2015

One Year Aboard the Space Station

24:16 minutes

NASA Expedition 45/46 commander and astronaut Scott Kelly, along with his brother, former astronaut Mark Kelly, at the Johnson Space Center, Houston, Texas. Photo by Robert Markowitz/NASA
NASA Expedition 45/46 commander and astronaut Scott Kelly, along with his brother, former astronaut Mark Kelly, at the Johnson Space Center, Houston, Texas. Photo by Robert Markowitz/NASA

How does one year in space affect your immune system? What about your mental health? The International Space Station is conducting a study with twin astronauts Scott and Mark Kelly. Scott speaks to Ira from the International Space Station about living in space for the next year, and his Earth-bound brother Mark tells us what changes they’re interested in measuring during the year.

Segment Guests

Mark Kelly

Mark Kelly is a NASA astronaut based in Tucson, Arizona.

Scott Kelly

Scott Kelly is a NASA astronaut and Expedition 43 flight engineer based at the International Space Station.

Meet the Producer

About Alexa Lim

Alexa Lim is a producer for Science Friday. Her favorite stories involve space, sound, and strange animal discoveries.