Rhea () is the second-largest natural satellite of Saturn and the ninth-largest moon in the Solar System, with a diameter of 1,528 kilometres (949 mi). Rhea is the smallest body in the Solar System that is confirmed to be in hydrostatic equilibrium. It has a nearly circular orbit around Saturn, but it is also tidally locked, like Saturn's other major moons. It rotates with the same period it revolves or orbits. Thus, one hemisphere always faces towards the planet. The moon has a fairly low density, composed of roughly three-quarters ice and only one-quarter rock.
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Diameter (km) Discovery Year Connections
Orbits
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Additional Source Wikipedia: Rhea (moon)Rhea (moon), lead section (orbit)
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1. Wikipedia: Rhea (moon)
Rhea (moon), lead section
with a diameter of 1,528 kilometres (949 mi)
- In Category: Celestial Objects, Rhea (moon), Wikipedia summary
Orbits: Saturn, Rhea (moon), lead section (orbit)
It has a nearly circular orbit around Saturn, but it is also tidally locked
In Group: Moons of Saturn, Lead sentence
Rhea () is the second-largest natural satellite of Saturn and the ninth-largest moon in the Solar System, with a diameter of 1,528 kilometres (949 mi).
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Wikimedia FoundationRhea (moon), infobox (Discovered)
December 23, 1672
Entity description, rhea catalogue classification
Rhea is the second-largest natural satellite of Saturn and the ninth-largest moon in the Solar System, with a diameter of about 1,528 kilometres, discovered in 1672.
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