Panspermia, Past and Present: Astrophysical and Biophysical Conditions for the Dissemination of Life in Space

Details Panspermia, Past and Present: Astrophysical and Biophysical Conditions for the Dissemination of Life in Space Panspermia, Past and Present: Astrophysical and Biophysical Conditions for the Dissemination of Life in Space

2010-10-30

arxiv.org/abs/1011.0101v1

Astronomy and Astrophysics

Astrophysics

Earth and Planetary Astrophysics

Accepted for publication in Space Science Reviews

Scientific paper

Astronomically, there are viable mechanisms for distributing organic material throughout the Milky Way. Biologically, the destructive effects of ultraviolet light and cosmic rays means that the majority of organisms arrive broken and dead on a new world. The likelihood of conventional forms of panspermia must therefore be considered low. However, the information content of dam-aged biological molecules might serve to seed new life (necropanspermia).

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