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  AstronomicalBody

Sigma KEE - AstronomicalBody

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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
天文体
这是所有有显著大小天文物体的 Class。它包括 SelfConnectedObject 如:星球、星斗和小行星,与 Collection 如:星云、星系和星座。注:地球是一个 AstronomicalBody,但是地球的每一个 Region 都是一处 GeographicArea
Relationships      
Parents 客体 Corresponds roughly to the class of ordinary objects. Examples include normal physical objects, geographical regions, and locations of Processes, the complement of Objects in the Physical class. In a 4D ontology, an Object is something whose spatiotemporal extent is thought of as dividing into spatial parts roughly parallel to the time-axis.
Children 流星According to the International Astronomical Union, a Meteoroid is a solid object moving in interplanetary space, of a size considerably smaller than an asteroid and considerably larger than an atom.
 天然卫星NaturalSatellite is the class of large, naturally occurring astronomical bodies orbiting some other AstronomicalBody.
 卫星Satellite is the collection of bodies that revolve around some astronomical body, e.g., planets around a star. This class includes both artificial and NaturalSatellites.
 Star is the class of hot gaseous astronomical bodies.


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