[Julian nods, accepting that answer. For once, he isn't worried about getting stuck.]

This one? It's different from ours, almost familiar, but not quite. Misty, changing, perhaps it has an atmosphere of its own. A shiny marble, speckled with gold. And the sky around it seems brighter, more blue than black. It's … like a little sun, illuminating everything around it. I can almost feel its light.

[Which is why he can't look at it for too long, unfortunately.]