"Directed panspermia"

Date:
1973
Reference:
PP/CRI/I/1/27
Catalogue details

Licence: In copyright

Credit: "Directed panspermia". Source: Wellcome Collection.

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    One further point deserves emphasis. We feel strongly that under no circumstances should we risk infecting other planets at the present time. It would be wise to wait until we know far more about the prob ability of the development of life on extra- solar planets before causing terrestrial organisms to escape from the solar system. Ackno wledgments We are indebted to the organisers of a meeting on Communication with Extraterrestrial Intel ligence, held at Byurakan Observatory in Soviet Armenia in September 1971, which crystallized our ideas about Panspermia. We thank Drs. Freeman Dyson, Tommy Gold, and Carl Sagan for discussion and important com ments on our argument. References Arrhenitts, S. (1908). Worlds in the Making. Harper and Row, New York. Blaattw , A., and Schmidt , M. (1965). Galactic Structure. University of Chicago Press, Chicago. Gold , T. (May 1960). Cosmic Garbage Air Force and Space Digest, p. 65. Metz, W. D. (1972). Reporting a speech by Allan Sandage. Science 178, 600. Oparin , A. I. (1957). The Origins of Life on Earth. Academic Press, New York, New York (gives a general discussion on Pan spermia). Sagan , C. (1960). Biological contamination of the Moon. Proc. Nat. Acad. Sci. 46, 396. Sagan , C. (1961). The planet Venus. science 133, 849. Sagan , C., and Whitehall , L. (1973). To be submitted to Icarus. Shklovskii , I. S., and Sagan , C. (1966 and 1967). Intelligent Life in the Universe, p. 207. Holden-Day, San Francisco and Dell Publishing Co., New York. Sneath , P. H. A. (1962). Longevity of micro organisms. Nature (London) 195, 643.
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