One possible theme could be exploration. Since it's about stars, it might involve the exploration of the unknown regions around the Delphinus stars.
I'm not sure which specific 'Delphinus Star Story' you are referring to. Delphinus is a constellation in the sky. It might be a fictional story created by someone about the stars in this constellation, perhaps involving adventures of astronauts exploring near those stars, or a mythological story that ancient people made up related to the shape of the Delphinus constellation.
The story behind Delphinus is quite interesting. In Greek mythology, it's often associated with various legends. One version is that it was sent by a god to assist a hero. Another story involves it playing a role in a sea adventure. The significance lies in its symbolic connection to the sea and helpfulness.
One possible theme could be peace. Since it's a 'tranquil star', the story may revolve around the concept of peace that the star represents.
The theme of discovery is quite likely. It could be about the discovery of new celestial bodies or phenomena in the Orion area. Also, the theme of survival might be there. Imagine a story where characters have to survive in the harsh environment of space near Orion, facing threats like asteroids, radiation, and lack of resources.
A theme might be guidance. Similar to the old man who used to stargaze. When he was lost, the 'Star Light Star Bright' served as a guide for him, either literally or in his memory. So, guidance is a theme that can be explored in such stories.
One possible theme could be hope. If Laura is in a tough situation and the star represents something to look forward to or a guiding light, hope would be a theme.
Love and sacrifice could be a theme. Just like in the main Star Wars series where characters sacrifice for the greater good, in this Valentine's story, a character might sacrifice their own desires for the sake of their loved one.
One possible theme could be hope. Just like a star shining in the dark, it can symbolize hope in difficult situations.
One possible theme could be luck or fate. Given the 'fortune star' in the title, it might explore how chance or a pre - ordained fate plays a role in the police work.
Another theme could be isolation. The daytime star might be seen as isolated in the bright sky during the day, different from the stars that shine at night together. So the story could explore that sense of being alone.