She shakes her head. "We haven't even been to the next closest planet, yet." She bites her lip. "Well, not a manned flight." There's the rover, but that doesn't really count. Not in this conversation anyway.

She cocks her head to the side. "Only one galaxy?" Which, not as disappointing as she makes it sound. But she does know something about galaxies - thank you undergraduate science requirement - and about how there are a great many, and how they're made up of many star systems. "Have you been to many planets before you came here?"