Stars. Solar system? He knows what one of those is and his mind recalls the glimmering points of light they'd see on most nights. In a world where everything was dead but pollution had been buried in sand, the only time they didn't see the glory of the stars was when clouds rolled in thick and heavy.

Nux shakes his head. Doesn't wanna be the bearer of bad news to Glacius, this beautiful and terrifying star-creature, but he's going to be truthful too. Even if he twitches a little shake of nervousness:

"Can't go past the stars 'less you can fly, maybe." He bites his lower lip, all ribbed with scars. Even the polecats, when they tried building bigger masts, they'd just come swinging back down. Higher you got there was some invisible hand that pushed you right back down. That's what they said. Nux didn't understand it, but it was so.