Implications of the Copernican principle for our future prospects

Details Implications of the Copernican principle for our future prospects Implications of the Copernican principle for our future prospects

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993natur.363..315g&link_type=abstract

Nature (ISSN 0028-0836), vol. 363, no. 6427, p. 315-319.

Astronomy and Astrophysics

Astronomy

44

Milky Way Galaxy, Project Seti, Space Colonies, Astronomical Models, Delta Function, Extraterrestrial Intelligence

Scientific paper

Assuming the Copernican principle that random intelligent observers on earth are not privileged, limits of 0.2 million to 8 million yrs are placed at the 95 percent confidence level on the total longevity of the human species. It is further argued that the odds against our colonizing the Galaxy and surviving to the far future are very long. The argument also explains why intelligent extraterrestrial life has not been detected.

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