Cosmic Irony: SETI Optimism from Catastrophes?

Details Cosmic Irony: SETI Optimism from Catastrophes? Cosmic Irony: SETI Optimism from Catastrophes?

2003-09-29

arxiv.org/abs/astro-ph/0309769v1

Contact in Context 2N1 (2004) 004

Astronomy and Astrophysics

Astrophysics

8 pages, no figures

Scientific paper

Classical arguments for skepticism regarding the Search for ExtraTerrestrial Intelligence (SETI) are critically examined. It is suggested that the emerging class of "phase transition" astrobiological models can simultaneously account for all available astrophysical and biological evidence, explain several unresolved puzzle in Earth sciences, and rationally justify current and future SETI projects. In particular, the hypothesis of Annis that local gamma-ray bursts drive the astrobiological phase transition deserves to be further quantitatively elucidated. Some epistemological and ethical ramifications of such a model are briefly discussed.

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