"...roughly, I guess. I mean, it's a little big to call it something you wear." And she's not from G Gundam so she doesn't know about that mobile trace stuff.

"Deep space... you need a lot of propellant, a lot more supplies. We mostly operate close to a ship, and compared to the rest of space we're never all that far from a colony if we can line up and point ourselves at one. In between planets is scary... there's so much empty space." And people travel as far as Jupiter on a regular basis too.

"Anyways, we mostly use visual and heat, but we've got radar and laser range finders and stuff too." They just have magical space particle pollution that interferes with a lot of stuff, oops. "Nice to meet you, Linhardt. I'm not the best at answering all these questions, but you seem legit curious."