While at the Planet Krypton conference:-
"You are aware that this planet krypton
is due to explode in a short period of time due to internal stress!" As the guardian of the planet say Every star in this sector will be racked by massive flare-up cause by Krypton erratic magnetic field this cause the entire of the krypton planetary system perish.
As the planet Krypton exploding..."Our son!..May the wind of space favor his course!" PlanetKrypton ...EXPLODING!!!
Due to massive gravitational pull around and the atmosphere can't stand it any longer.