Saturn's A ring
E829228
Saturn's A ring is the planet's outermost bright main ring, composed primarily of countless icy particles and separated from the B ring by the Cassini Division.
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf | planetary ring ⓘ |
| albedo | high ⓘ |
| belongsTo | outer main rings of Saturn ⓘ |
| boundedBy |
Encke Gap
NERFINISHED
ⓘ
Keeler Gap NERFINISHED ⓘ |
| brightness | high ⓘ |
| composition |
icy particles
ⓘ
water ice ⓘ |
| discoveredBy | Giovanni Domenico Cassini NERFINISHED ⓘ |
| discoveryMethod | telescopic observation ⓘ |
| dynamicsInfluencedBy |
Saturn's moons
NERFINISHED
ⓘ
gravitational resonances ⓘ |
| hasAzimuthalAsymmetries | yes ⓘ |
| hasGap |
Encke Gap
NERFINISHED
ⓘ
Keeler Gap NERFINISHED ⓘ |
| hasStructure |
bending waves
ⓘ
density waves ⓘ ringlets ⓘ spiral density waves ⓘ |
| innerBoundary | Cassini Division NERFINISHED ⓘ |
| innerRadius | approximately 122,000 kilometers from Saturn's center ⓘ |
| isOuterMost | bright main ring of Saturn ⓘ |
| locationInSystem | outside Saturn's B ring ⓘ |
| meanRadius | approximately 136,770 kilometers from Saturn's center ⓘ |
| namedAfter | letter A ⓘ |
| nomenclatureSystem | historical order of discovery of Saturn's rings ⓘ |
| observedBy |
Cassini spacecraft
NERFINISHED
ⓘ
Voyager 1 NERFINISHED ⓘ Voyager 2 NERFINISHED ⓘ |
| opticalDepth | moderate ⓘ |
| orbits | Saturn NERFINISHED ⓘ |
| outerBoundary | Roche Division NERFINISHED ⓘ |
| outerRadius | approximately 136,800 kilometers from Saturn's center ⓘ |
| particleSizeRange | dust to meter-sized bodies ⓘ |
| partOf | ring system of Saturn ⓘ |
| separatedFrom | Saturn's B ring NERFINISHED ⓘ |
| separationRegion | Cassini Division NERFINISHED ⓘ |
| shepherdedBy |
Daphnis
NERFINISHED
ⓘ
Pan NERFINISHED ⓘ |
| width | approximately 14,600 kilometers ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.