"Dog Star" Chronological Order of Flashback Paragraph

Using any literary device can help a book, story, or any text in general. For example, in the story "Dog Star" they used flashback. If not interesting, using flashback, makes the story just so much better. In my opinion, as long as it makes sense then it's better than chronological order. I believe chronological order can be a boring plot. In the book when the astronomer was depressed, he remembered all the nice things that he and the dog shared together. If the book would have just said it in chronological order it would have been a horrible plot for the story. I am glad the book used flashback.