And we Sailed the Mighty Dark by Frank Belknap Long

I stared at him uneasily. He was talking like an idiot. I knew that Jupiter itself would have to dwindle to a small disk before Callisto could become a pin point of light. When you take off from a little moon the glare of its primary magnifies its surface features. For about one hour Callisto would look like a black orchid dwindling in a blaze of light. Then it would whip away into emptiness to reappear as a glowing dot.

"Jupiter looks funny too! " Pete muttered. "Mighty funny! Like a big slice o' yellow cheese with golden bands around it, spreadin' out -- "