What’s the end of the world

End of the world or The End of the World may refer to: End of the world (civilization), various types of events that threaten to destroy or cripple human civilization. End of the world (religion), theology concerned with what is believed to be the ultimate destiny of humanity.

Explanation:

the end of the world doesn't necessarily refer to the complete eradication of this earth. rather, it pretty much represents the destruction of society or the basic groundwork of society

radiative zone

explanation    

radiative zone is the layer of the sun which energy is transferred away from the core by radiation. although, the core is the only part of the sun that produces an appreciable amount of heat through fusion. in fact, 99% of the energy produced by the sun takes place within 24% of the sun's radius.