It was a featureless disk the orange color of perfect barbecue coals, if you know someone who can afford to burn wood.
It resembled the featureless disk of a moonfish, and was fringed with numberless interbranching tendrils or feelers like a floral arabesque.
They had gone only a few steps when another priest stepped into their path, this one robed in black; his golden mask was a featureless disk with eyeholes.
Over the months, you see a featureless disk methodically going through phases, like the Moon: crescent Venus, full Venus, gibbous Venus, new Venus.
The picture on the scope-screen changed from a featureless disk to a patterned ball as Carv switched to infrared.
Small, dwarf stars such as our Sun generally have essentially featureless disks with only small starspots.