Why did the death star blow up?

Answer 1

The first time Luke shot torpedo's into an exhaust pipe which caused a chain reaction which blew up the Death Star. The second time Lando blew up the Death Star's main reactor which cause the Death Star II to blow up.

Answer 2

The first death star was destroyed by luke skywalker when he fired a proton torpedo int a certain tube. the second death star was destroyed by Lando Calrissian when he took the millennium falcon into the death star and blew up the power generator.

Answer 3

torpedes, pink ones, Luke and Lando destroy it though

Answer 4

There were 2 Death Stars, so there were 2 explosions total

Answer 5

Lando Calrissian in the millenium falcon and Wedge Antilles attacked the main power core with proton torpedos. Which caused the Death Star 2 to explode.