Lifting his eyes to look towards Sabriel again, Cal blinks. It's not completely unheard of for people to never travel outside of their worlds, but most know the possibility is there, likely thanks to the galactic war, and even now, a galactic, greedy Empire.

"Yeah. Traveling through space to different planets is pretty commonplace, if you have the means. Sometimes you spend more time between planets than on them, aboard starships that can travel through hyperspace."