从古玛雅文明危言耸听的预言,到灾难片《2012》中触目惊心的景象,关于人类文明如何终结的猜想从古至今从来都未曾中断过。世界末日究竟何时会到来?人类历史终将定格于哪一年?没人能够知道确切的答案。但不知道不意味着不发生,抛却种种玄妙预言与科幻想象,单从地球目前的现状来看,世界末日的来临似乎只是方式与迟早的问题。既然如此,我们不妨从科学的角度来探讨一下它来临的几种可能,因为不管你相不相信,事实一直在发生,而猜想仍然会继续…… From the alarmist predictions of the ancient Maya civilization to the startling spectacle of the disaster film “2012”, the conjecture on how human civilization ended has never been interrupted from ancient times. When will the end of the world come? What year of human history will be finalized? No one knows the exact answer. But do not know does not mean that does not happen, cast aside all kinds of mysterious prophecy and science fiction imagination, just from the current status quo of the Earth, the advent of the Doomsday seems to be only a matter of way and sooner or later. In that case, we may wish to explore from a scientific point of view the possibilities of its coming because, whether you believe it or not, the fact is always happening and the conjecture will continue ...