Discussion of extraterrestrial life (ETL) and extraterrestrial intelligent life (ETI) is extraordinarily complex and mulitidisciplinary, in part because relevant questions involve both the origin/evolution of terrestrial life and the future of human civilization.
Asteroids and Aliens
American Political Science Association Meeting
1999-09-01
Conference paper
No indication
English
Online Contents | 2013
|Online Contents | 2005
|British nationality & status of aliens
TIBKAT | 1943
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