[It'd be mega weird if somehow Mal was literally the bridge between her and Aidan's 'worlds' and part of her is never going to inquire about dates and years and histories incase something like that's the truth. Instead she just nods, listening aptly with some lingering wonder - terraforming other planets? Damn.]
Gotta say it's impressive, but also a little sad... But you and yours travel around out in space, an' all that? That's cool too.