The 2014 book Star Wars: Tarkin details the life of Grand Moff Tarkin and prominently features the Death Star. Catalyst: A Rogue One Novel tells the story of the development of the Death Star's superweapon by Galen Erso and Krennic's deception of him. It also reveals how Poggle worked with Krennic on the project but then turned on him. In the animated series Star Wars Rebels, the two-part episode "Ghosts of Geonosis" hints that the Geonosians were nearly wiped out to extinction out of the Empire's need for secrecy. Saw Gerrera, having been sent to Geonosis to investigate, deduces that the Empire possesses a superweapon and resolves to discover the Death Star as depicted in the two-part episode "In the Name of the Rebellion". Though it is a dead end, Saw learns that the weapon is powered by kyber crystals taken from the Jedha system.
The 2014 book Star Wars: Tarkin details the life of Grand Moff Tarkin and prominently features the Death Star. Catalyst: A Rogue One Novel tells the story of the development of the Death Star's superweapon by Galen Erso and Krennic's deception of him. It also reveals how Poggle worked with Krennic on the project but then turned on him. In the animated series Star Wars Rebels, the two-part episode "Ghosts of Geonosis" hints that the Geonosians were nearly wiped out to extinction out of the Empire's need for secrecy. Saw Gerrera, having been sent to Geonosis to investigate, deduces that the Empire possesses a superweapon and resolves to discover the Death Star as depicted in the two-part episode "In the Name of the Rebellion". Though it is a dead end, Saw learns that the weapon is powered by kyber crystals taken from the Jedha! system.