The question of the existence of extraterrestrial life is of great scientific interest. Presently we have knowledge of life only on the Earth that appears to have a single and unique biogenesis. Arguments are made that it is more likely that the living process exists throughout the cosmos, than that the Earth is the only inhabited planet.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gerald A. Soffen, "Life is everywhere", Proc. SPIE 3755, Instruments, Methods, and Missions for Astrobiology II, (30 December 1999); doi: 10.1117/12.375083; https://doi.org/10.1117/12.375083


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