Long-term prospects: Mitigation of supernova and gamma-ray burst threat to intelligent beings

被引：15
|
作者：
Cirkovic, Milan M. [1 ,2 ]
Vukotic, Branislav [1 ]
机构：
[1] Astron Observ, Volgina 7, Belgrade 11000, Serbia
[2] Univ Oxford, Fac Philosophy, Future Humanity Inst, Suite 8,Littlegate House,16-17 St Ebbes St, Oxford OX1 1PT, England
来源：
ACTA ASTRONAUTICA | 2016年 / 129卷
关键词：
Supernovae/gamma-ray bursts; Global catastrophic risks; Astroengineering; Catastrophism; SETI; CORE-COLLAPSE SUPERNOVAE; COSMIC-RAYS; SMART-DUST; IONIZING-RADIATION; WATER ICE; EARTH; LIFE; EXPLOSION; EVOLUTION; PLANETS;
D O I：
10.1016/j.actaastro.2016.10.005
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
We consider global catastrophic risks due to cosmic explosions (supernovae, magnetars and gamma-ray bursts) and possible mitigation strategies by humans and other hypothetical intelligent beings. While by their very nature these events are so huge to daunt conventional thinking on mitigation and response, we wish to argue that advanced technological civilizations would be able to develop efficient responses in the domain of astroengineering within their home planetary systems. In particular, we suggest that construction of shielding swarms of small objects/particles confined by electromagnetic fields could be one way of mitigating the risk of cosmic explosions and corresponding ionizing radiation surges. Such feats of astroengineering could, in principle, be detectable from afar by advanced Dysonian SETI searches.
引用
收藏
页码：438 / 446
页数：9
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