Why Was Geonosis Wiped out?
Some Time Between 10 Bby and 3 Bby, the Outer Rim World of Geonosis Was Sterilized by the Galactic Empire, Killing Most of the Planet's Population, by Orders...
Some time between 10 BBY and 3 BBY, the Outer Rim world of Geonosis was sterilized by the Galactic Empire, killing most of the planet's population, by orders from Grand Moff Wilhuff Tarkin, to ensure the secrecy of the Death Star project. ... She eventually moved to a lair beneath the planet's surface.
What happened to all the Geonosians?
Long ago, the Geonosians inhabited Geonosis' surface. However they were driven underground by a series of mass extinctions caused by meteorites and radiation storms.
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Did Klik Klak survive?
Background. Klik-Klak was the sole survivor of the Imperial sterilization of Geonosis.