A constellation is a group of stars, though, Beth.

不过，星座是一群恒星，贝丝。

Mind you, not every group of stars makes a constellation.

请注意，不是每一组恒星都构成一整个星座。

So a constellation is a group of stars that form a pattern.

所以星座是指一群形成图案的恒星。

They came up with 10 or 15 names, and that group of stars was compared with everyone else.

他们想到了10个或者15个名字，而这一组“明星”员工都被和其他所有人进行了对比。

Those are groups of stars recognized by the International Astronomical Union.

这些是国际天文学联合会认可的恒星群。

So a constellation is a group of stars that makes a shape and has a name right?

那么星座就是一群星星组成的形状并且有名字对吗？

A " galaxy" (galaxy) is a large group of stars and the planets that may be around them.

一个“星系”（galaxy）是一大群恒星和可能围绕在它们周围的行星。

Now, scientists have shown that three factors can explain why certain groups of stars form such recognizable patterns.

现在，科学家们已经表明， 三个因素可以解释为什么某些恒星群会形成如此可识别的模式。

The sentence uses a comma followed by the word " or" to introduce the appositive " groups of stars that form shapes in the sky."

这个句子使用了逗号，后面跟“或”这个单词，来引介同位语“在天空中组成形状的群星”。

This is mostly coincidence, but humans are pattern-recognizing animals, so it's totally understandable that ancient astronomers divided the skies up into constellations (literally sets or groups of stars), and named them after familiar objects.

这大多是巧合，但人类是能识别模式的动物，所以古代天文学家就把天空分成不同的星座（字面意思是“星星的集合或群”），并以与其相似的物体来命名，这是完全可以理解的。

Its name is Latin for 'lion', and it is one of the most easily recognized constellations in the sky because of the group of stars in it that is shaped like a backwards question mark.

它的名字来源于拉丁语的“狮子”，是夜空最好辨认的星座之一，因为其星星组成的形状像一个倒置的问号。