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physical object > natural object > celestial body > natural satellite > Themis |
Themis comparison table |
Subject | is part of | is a kind of | is an instance of | has definition |
---|---|---|---|---|
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). | ||
Themis | Saturn | natural satellite | A satellite of Saturn discovered by Pickering in 1900, but since lost. |
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