行星生物技术、生物技术和寻找地外智慧

IF 1.7 4区 物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS International Journal of Astrobiology Pub Date : 2023-09-08 DOI:10.1017/s1473550423000204
Irina K. Romanovskaya
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引用次数: 0

摘要

行星智能作为集体智能的概念用于考虑技术领域与生物圈交叉处出现的生物技术领域的可能进化路径,并支持技术领域与生态圈的耦合,从而影响行星进化。在成熟的生物技术领域,技术的智能和生命形式的智能,包括工程生命形式,可以协同执行各种任务(例如监测行星生物圈和环境;恢复行星环境和生物多样性;稳定行星环境;为太空任务提供支持;改造宇宙物体)。太空探索可以将生物技术领域扩展到行星之外,并创造包括行星和其他宇宙物体的宇宙生态系统;生物技术、航天器和近行星、行星际空间或星际空间的环境。人类、其他文明或它们的智能机器可能在太阳系内外产生生物技术特征(即生物空间的可观测物和人工制品)。我提出了十种可能的生物技术特征和在原位和星际距离上寻找这些生物技术特征的策略。例如,如果一个非人类先进文明过去曾在地球上存在并建造过生物生物圈,其生物生物圈可以使用工程细菌,而该细菌的后代目前可能存在于地球上,并具有与生物生物圈中古代细菌功能有关的特性(提出并讨论了这些特性);古代文明创造的智能技术可能会迁移到太阳系的外部区域(讨论了它们迁移的可能场景及其技术特征和生物技术特征);这两种情况被描述为宇宙后裔假说。星际小行星、自由漂浮的行星、航天器和与飞越恒星引力结合的物体可能携带地外生物球体穿过太阳系。关于后主序星及其奥尔特云的命运,星际小行星携带生物球体或成为星际航天器的概率估计非常低。
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Planetary biotechnospheres, biotechnosignatures and the search for extraterrestrial intelligence
The concept of planetary intelligence as collective intelligence is used to consider possible evolutionary paths of biotechnospheres that emerge on the intersection of the technosphere with the biosphere and support coupling of the technosphere with the biosphere, thus affecting planetary evolution. In mature biotechnospheres, the intelligence of technologies and the intelligence of life forms, including engineered life forms, could act in concert to perform various tasks (e.g. monitoring planetary biospheres and environments; restoring planetary environments and biodiversity; steading planetary environments; providing support for space missions; terraforming cosmic objects). Space exploration can expand biotechnospheres beyond planets and create cosmic ecosystems encompassing planets and other cosmic objects; biotechnospheres, spacecraft and the environments of near-planetary, interplanetary space or interstellar space. Humankind, other civilizations or their intelligent machines may produce biotechnosignatures (i.e. observables and artefacts of biotechnospheres) in the Solar System and beyond. I propose ten possible biotechnosignatures and strategies for the search for these biotechnosignatures in situ and over interstellar distances. For example, if a non-human advanced civilization existed and built biotechnospheres on Earth in the past, its biotechnospheres could use engineered bacteria and the descendants of that bacteria could currently exist on Earth and have properties pertaining to the functions of the ancient bacteria in the biotechnospheres (such properties are proposed and discussed); intelligent technologies created by the ancient civilization could migrate to the Solar System's outer regions (possible scenarios of their migration and their technosignatures and biotechnosignatures are discussed); these two scenarios are described as the Cosmic Descendants hypothesis. Interstellar asteroids, free-floating planets, spacecraft and objects gravitationally bound to flyby stars might carry extraterrestrial biotechnospheres and pass through the Solar System. In connection to the fate of post-main-sequence stars and their Oort clouds, the probability for interstellar asteroids to carry biotechnospheres or to be interstellar spacecraft is estimated as very low.
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来源期刊
International Journal of Astrobiology
International Journal of Astrobiology 地学天文-地球科学综合
CiteScore
3.70
自引率
11.80%
发文量
45
审稿时长
>12 weeks
期刊介绍: International Journal of Astrobiology is the peer-reviewed forum for practitioners in this exciting interdisciplinary field. Coverage includes cosmic prebiotic chemistry, planetary evolution, the search for planetary systems and habitable zones, extremophile biology and experimental simulation of extraterrestrial environments, Mars as an abode of life, life detection in our solar system and beyond, the search for extraterrestrial intelligence, the history of the science of astrobiology, as well as societal and educational aspects of astrobiology. Occasionally an issue of the journal is devoted to the keynote plenary research papers from an international meeting. A notable feature of the journal is the global distribution of its authors.
期刊最新文献
Habitability constraints by nutrient availability in atmospheres of rocky exoplanets Succession of the bacterial community from a spacecraft assembly clean room when enriched in brines relevant to Mars Astroecology: bridging the gap between ecology and astrobiology Psychological aspects in unidentified anomalous phenomena (UAP) witnesses Children of time: the geological recency of intelligence and its implications for SETI
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