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- Commons category
- Multiple star systems
- category's main topic
- multiple star
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- star
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Encyclopedic overview
This category is for physical multiple stars, i.e., small groups of three or more close stars gravitationally bound to each other. Optical companions (stars that appear to be close together but are physically unrelated) do not count. Star systems placed here should be categorized by their number of components. Trinary star systems are listed under Category:Triple star systems, while binary stars are listed under Category:Binary stars.
Excerpted from Wikipedia’s “Category:Multiple star systems” article, available under the CC BY-SA 4.0 licence.