こうせいけい
恒星系
1. star system
2. Star systemA star system or stellar system is a small number of stars which orbit each other, bound by gravitational attraction. A large number of stars bound by gravitation is generally called a star cluster or galaxy, although, broadly speaking, they are also star systems. Star systems are not to be confused with planetary systems, which include planets and similar bodies.
Read “Star system” on English Wikipedia
Read “恒星系” on Japanese Wikipedia
Read “Star system” on DBpedia
Read “Star system” on English Wikipedia
Read “恒星系” on Japanese Wikipedia
Read “Star system” on DBpedia
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