However , they are faint and dusty , much more similar in structure to those of Jupiter .
The system around Neptune consists of five principal rings that , at their densest , are comparable to the low - density regions of Saturn 's rings .
Saturn are faint and dusty , much more similar in structure to those of Jupiter .
The system around Neptune consists of five principal rings that , at their densest , are comparable to the low - density regions of Saturn 's rings .