Headcannon: PHM and Interstellar take place in the same universe
SPOILERS for Project Hail Mary and Interstellar, watch both!!! So PHM takes place before interstellar, and when Cooper heard about how Grace saved Earth from the astrophage, he decided to name his daughter after the famous Murphy's Law, and hoped she would become a scientist. But after all that, the crops on earth start dying, thus creating the events for interstellar Hope my english wasn't too bad :D


















