Irregular moon
- 不规则卫星（不规则卫星是逆行轨道环绕行星的天然卫星，距离远、倾角大、离心率高，被认为是行星捕获的）
Irregular moon
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abstract:
In astronomy, an irregular moon is a natural satellite following a distant, inclined, and often eccentric and retrograde orbit. They are believed to have been captured by their parent planet, unlike regular satellites, which formed in situ.
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WordNet