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bn:01816749n
Noun Concept
Categories: Articles with short description, Celestial mechanics, Solar System, Planetary rings
EN
shepherd moon  planetary ring  ring system  Shepard satellite  circumplanetary dust
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A ring system is a disc or ring, orbiting an astronomical object, that is composed of solid material such as dust and moonlets, and is a common component of satellite systems around giant planets like Saturn. Wikipedia
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astronomy
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A ring system is a disc or ring, orbiting an astronomical object, that is composed of solid material such as dust and moonlets, and is a common component of satellite systems around giant planets like Saturn. Wikipedia
A shepherd moon, also called a herder moon or watcher moon, is a small natural satellite that clears a gap in planetary-ring material or keeps particles within a ring contained. Wikipedia
A system of cosmic dust or moonlets, forming rings around, and gravitationally bound to a host non-stellar body. Wikipedia Disambiguation
Small natural satellite associated with a planetary ring Wikidata
Ring of dust and debris orbiting a planet or planet-scale object Wikidata
Ring of dust and other small particles orbiting around a planet in a flat disc-shaped region. OmegaWiki
A small moon that orbits near the outer edges of a planetary ring or within gaps in the ring. The edge of the ring remains sharply defined owing to the gravity of shepherd moons. Wiktionary
Moon orbiting near the edge of a ring. Wiktionary (translation)