science and technology

Andy Weir’s “Project Hail Mary,” published in 2021, is a story about humanity’s last-ditch attempt to save Earth from “astrophage,” a fictional, star-eating algae that has infected our sun. The book chronicles the journey of scientist-turned-science-teacher Ryland Grace, who wakes up on a spaceship and ultimately befriends Rocky, an alien from a planet called Erid…