Observational signatures of self-destructive civilizations
We address the possibility that intelligent civilizations that destroy themselves could present
signatures observable by humanity. Placing limits on the number of self-destroyed …
signatures observable by humanity. Placing limits on the number of self-destroyed …
Is the apparent absence of extraterrestrial technological civilizations down to the zoo hypothesis or nothing?
IA Crawford, D Schulze-Makuch - Nature Astronomy, 2024 - nature.com
The 'Fermi paradox'refers to the mismatch between a widely held expectation that advanced
technological life should be common in the Universe—recently given impetus by the …
technological life should be common in the Universe—recently given impetus by the …
Fermi's paradox, extraterrestrial life and the future of humanity: a Bayesian analysis
V Verendel, O Häggström - International Journal of Astrobiology, 2017 - cambridge.org
The Great Filter interpretation of Fermi's great silence asserts that Npq is not a very large
number, where N is the number of potentially life-supporting planets in the observable …
number, where N is the number of potentially life-supporting planets in the observable …
Bioterrorism and the Fermi paradox
J Cooper - International Journal of Astrobiology, 2013 - cambridge.org
We proffer a contemporary solution to the so-called Fermi Paradox, which is concerned with
conflict between Copernicanism and the apparent paucity of evidence for intelligent alien …
conflict between Copernicanism and the apparent paucity of evidence for intelligent alien …
Dissolving the Fermi paradox
The Fermi paradox is the conflict between an expectation of a high {\em ex ante} probability
of intelligent life elsewhere in the universe and the apparently lifeless universe we in fact …
of intelligent life elsewhere in the universe and the apparently lifeless universe we in fact …
Three explanations for extraterrestrials: sensible, unlikely, mad
SC Morris - International Journal of Astrobiology, 2018 - cambridge.org
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 …
reasons, not least the evidence for both the abundance and antiquity of many extra-solar …
The Fermi Paradox revisited: Technosignatures and the contact era
A Wandel - The Astrophysical Journal, 2022 - iopscience.iop.org
A new solution to the Fermi Paradox is presented: probes or visits from putative alien
civilizations have a very low probability until a civilization reaches a certain age (called the" …
civilizations have a very low probability until a civilization reaches a certain age (called the" …
Astrobiological phase transition: towards resolution of Fermi's paradox
MM Ćirković, B Vukotić - Origins of Life and Evolution of Biospheres, 2008 - Springer
Can astrophysics explain Fermi's paradox or the “Great Silence” problem? If available, such
explanation would be advantageous over most of those suggested in literature which rely on …
explanation would be advantageous over most of those suggested in literature which rely on …
Eternity in six hours: Intergalactic spreading of intelligent life and sharpening the Fermi paradox
S Armstrong, A Sandberg - Acta Astronautica, 2013 - Elsevier
The Fermi paradox is the discrepancy between the strong likelihood of alien intelligent life
emerging (under a wide variety of assumptions) and the absence of any visible evidence for …
emerging (under a wide variety of assumptions) and the absence of any visible evidence for …
Triggering a climate change dominated “Anthropocene”: Is it common among exocivilizations?
E Savitch, A Frank, J Carroll-Nellenback… - The Astronomical …, 2021 - iopscience.iop.org
We seek to model the coupled evolution of a civilization and its host planet through the era
when energy harvesting by the civilization drives the planet into new and adverse climate …
when energy harvesting by the civilization drives the planet into new and adverse climate …