Life from space: Astrobiology and panspermia
Author(s) -
Chandra Wickramasinghe
Publication year - 2009
Publication title -
the biochemist
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.126
H-Index - 7
eISSN - 1740-1194
pISSN - 0954-982X
DOI - 10.1042/bio03101040
Subject(s) - astrobiology , space (punctuation) , biology , philosophy , linguistics
How did life arise? Not just on the Earth, but anywhere in the Universe? Does life emerge readily on every Earth-like planet by spontaneous processes involving well-attested laws of physics and chemistry, or did it involve an extraordinary, even miraculous intervention? Science must necessarily exclude a miraculous option of course, but the other questions continue to be asked. Charles Darwin, the bicentenary of whose birth we celebrate this year, and who laid the foundations of evolutionary biology, never alluded to the origin of life in his 1859 book On the Origin of Species1. He had, however, thought about the problem and formulated his own position in a letter to Joseph Hooker in 1871 thus:
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