It's not a personification, those are not living things that are given personalities.
A metaphor is a<span> figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable. So there is no action being applied to the stars, so its not a metaphor.
</span><span><span>Simile: a figure of speech involving the comparison of one thing with another thing of a different kind</span>: no....
</span><span>Symbol: a thing that represents or stands for something else: Yes!
Your answer is Symbol, hope this helps!
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