[Papyrus visibly considers these notions, compares them with what he remembers of the last several months - no proof those memories are real either, considering, but working with what he's got...]

Yeah, I guess that's a good point. Okay, watch on! And if you want a book, for while you watch, we can go grab one from my room.

[Of course, there's a couple coffee table books about space, space telescopes, and so on to be found in the living room already.]