Usually, the brightest star in a constellation is has "alpha, " the first letter of the Greek alphabet, as part of its scientific name.
一般来讲，一个星座中最亮的星编号为α，作为它学术名称的一部分；
Usually, the brightest star in a constellation is has "alpha, " the first letter of the Greek alphabet, as part of its scientific name.
一般来讲，一个星座中最亮的星编号为α，作为它学术名称的一部分；
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