Ever since you watched "Man of Steel",have you ever wondered why the people of Krypton just stayed on their planet till it's core became unstable and blew up ? One version of the tale states that the kryptonians had exhausted their natural resources too much to the level that space exploration was banned.The Kryptonians have either emptied their energy lot or stayed lazy like it wasn't a threat until one day the planet went kaboom.In another version it is stated that, the kryptonians were genetically bonded
