名词
中文翻译：星系
同义词：
['galaxy', 'star cluster例句：1. The E galactic center is the most massive and densest part of the Milky Way.（银河系的中心是银河中最庞大和最密集的部分。）2. The E galactic center is also known as the Sakai Center.（银河系的中心也被称为Sakai中心。）']
例句：
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1. The E galactic center is the most massive and densest part of the Milky Way.
银河系的中心是银河中最庞大和最密集的部分。
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2. The E galactic center is also known as the Sakai Center.
银河系的中心也被称为Sakai中心。
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3.The E galactic center is located at a distance of approximately 26,000 light-years from Earth.
银河系的中心距离地球大约26,000光年。