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51. Bioastronomy - Search for Extraterrestrial Life: Bioastronomie - Recherche De La Vie Dans L’univers

Published online by Cambridge University Press:  25 April 2016

F. D. Drake ,
George Marx ,
N. D. Papagiannis ,
R. D. Brown ,
P. Connes ,
G. D. Gatewood ,
J. Jugaku ,
P. Feldman ,
J. M. Greenberg  and
N. S. Kardashev
...Show all authors

Extract

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The past three years have seen not only a growth in the activities of our commission, but an extension of its activities into important areas which have heretofore motivated too little activity. Of particular interest have been the many activities directed towards elucidating the question of the abundance of extrasolar planetary systems. There have been a number of observations showing the presence of disks of dust around nearby stars, disks which fit the idea that stars are often formed with an accompanying disk of dust which may in many or perhaps all cases produce a planetary system. Infra-red evidence for dust disks exists for something like twenty stars. The disk of Beta Pictoris has even been clearly imaged at optical wavelengths, showing without a doubt that such disk structures exist. One very impressive detection of an apparent brown dwarf object has also been made; should this be confirmed by other observations, it would be clear evidence for the existence of planet-like bodies in the systems of other stars.

Type
Research Article
Information
Transactions of the International Astronomical Union , Volume 20 , Issue 1 , 1988 , pp. 693 - 701
Copyright
Copyright © Kluwer 1988 

References

References

We give here a list of some papers published by members of our commission over the last few years. Of necessity, this list is not complete.

Searches for Extraterrestrial Intelligent Emissions

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Searches for Extrasolar Planets, Dust Disks, and Brown Dwarfs

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Observations of Interstellar and Cometary Molecules

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Hypotheses About Extraterrestrial Life

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Instrumentation for SETI

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