Who does the author compare the star to in a winter twlight

The clause is a group of words that consist in a subject and a verb, on the other hand, the phrase is the opposite, it lacks of subject and verb, meanwhile a clause can stand by itself a phrase has not a complete meaning and cannot stand alone, due to the relation between the clause and the phrase sentences with many of them are difficult to understand because the clauses and phrases typically modify other clauses and phrases in the sentence.