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physical object > natural object > celestial body > natural satellite > Ariel

Ariel comparison table

Subject	is part of	is a kind of	is an instance of	has diameter	has discovery date	has definition	has period	has discoverer
natural satellite		satellite				Body orbiting a planet. Since 1957 the term has also been applied to man-made (artificial) satellites; many astronomers make the distinction by calling natural satellites moons (and the Earth's natural satellite the Moon).
Ariel	Uranus		natural satellite	1600 km	1851	Second satellite of Uranus.	2.52 days	Lassell

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