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

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• 作者：Milan M. Ćirković^a ; ^b ; ^{mcirkovic@aob.rs" class="auth_mail" title="E-mail the corresponding author} ; Branislav Vukotić^a
• 关键词：Supernovae/gamma-ray bursts ; Global catastrophic risks ; Astroengineering ; Catastrophism ; SETI
• 刊名：Acta Astronautica
• 出版年：2016
• 出版时间：December 2016
• 年：2016
• 卷：129
• 期：Complete
• 页码：438-446
• 全文大小：373 K

文摘

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.