Random triples
| Subject | Object |
|---|---|
| gptkb:Neptune's_rings | not fully understood |
| gptkb:Saturn | ice and rock particles |
| gptkb:Planet_Saturn | Ice and rock particles |
| gptkb:Saturn | Ice particles |
| gptkb:Uranus'_rings | varied |
| gptkb:Saturn | Rock debris |
| gptkb:Neptune's_rings | varies with distance from planet |