Glossary term: 红矮星
Description: 红矮星是小而低质量的恒星，其有效温度低于3900开尔文（K）（约3600摄氏度（°C））。相较于黄色的类太阳恒星，它们在人眼中看来会显得更红，但没有红矮星可以被肉眼直接看到。质量在太阳质量8%到50%之间的恒星，大部分时间都处于红矮星阶段。这些恒星的氢核聚变速度远低于太阳等恒星，因此亮度较低，但能够维持氢聚变更长的时间。许多红矮星具有非常强的磁场，因此会比类太阳恒星有更多的磁暴和恒星黑子。银河系中的大多数恒星都是红矮星，距离太阳10秒差距以内的恒星也多为红矮星。
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Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher The translation of this term and its definition is still awaiting approval
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