What does the meteor represent in The Scarlet Letter?

it resembles the conscience because before chapter 13 , it talks about how dimsdale sees the meteor as the letter A , signifying the scarlet letter , while others see it as the letter A for Angel , the shape of the letter changes depending on the state of mind of the individual , if an individual is filled with guilt ,then tthey will see the meteor as a scarlet letter, if they have a clear conscience they will see it as an A for angel.