Three explanations for extraterrestrials: sensible, unlikely, mad

The Fermi Paradox (or Question) has moved back into central focus. This is for a number of reasons, not least the evidence for both the abundance and antiquity of many extra-solar systems, the extrapolation of current technological trends to suggest that even inter-galactic colonization (by self-rep...

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Veröffentlicht in:	International journal of astrobiology 2018-10, Vol.17 (4), p.287-293
1. Verfasser:	Conway Morris, Simon
Format:	Artikel
Sprache:	eng
Schlagworte:	Biosphere Colonization Hostages Intelligence Replication Solar system Solutions Universe
Online-Zugang:	Volltext
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