British author Samantha Harvey has won the Booker Prize for her novel "Orbital," which focuses on six astronauts aboard the International Space Station.

Before Tuesday night, the author Samantha Harvey had got used to thinking of herself as a bit of an underdog. “It’s not out of self-pity, but I definitely saw myself as being on the periphery,” she says.

A lifelong fascination with outer space inspired British author Samantha Harvey to write her novel "Orbital", which this week won the prestigious Booker Prize.