"Oh." She fell through a wormhole onto another planet, maybe in another dimension entirely, and it turns out she can still be tripped up. It seems like she should be beyond this kind of gobsmacked surprised, but apparently, she isn't. "Um. So what were you at home?"

Wait, is that rude? Can you just ask people what species they are? (If they're another species, are they still people?) Her grip tightens on the sword's hilt. She doesn't know now, but she's going to find out.