Topic summary
Second Death Star

Extracted from the Wikipedia article Death Star.
Second Death Star
The 1983 film Return of the Jedi features the DS-2 Orbital Battle Station under construction as it orbits the forest moon Endor, which houses a shield generator protecting the station. The second Death Star is substantially more advanced and more powerful than its predecessor, and the critical weakness found in the first Death Star has been removed—the Rebel Alliance's only hope is to destroy it prior to its completion. The Emperor and Darth Vader send the Rebels false information that the station's weapons systems are not yet complete in order to lure the Alliance fleet into a trap, resulting in the decisive Battle of Endor. In fact, the station's superlaser is fully operational, and it begins firing on and destroying Rebel capital ships during the battle.