名词
中文翻译：Unknown
同义词：
["Tycho's variable star", "Tycho's variable star", "Tycho's variable star"]
例句：
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1. The Tycho's Nova is a fascinating object in the sky.
天狼星变星是一个令人着迷的天体。
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2. The Tycho's Nova has been observed to change its brightness over time.
天狼星变星被观察到随着时间的推移亮度会发生变化。
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3.The Tycho's Nova is often used as a reference point for studying the behavior of stars.
天狼星变星经常被用作研究恒星行为的参考点。