Download e-book for iPad: The Search for Extraterrestrial Life: Recent Developments: by Michael D. Papagiannis (auth.), Michael D. Papagiannis

By Michael D. Papagiannis (auth.), Michael D. Papagiannis (eds.)

ISBN-10: 9027721149

ISBN-13: 9789027721143

ISBN-10: 940095462X

ISBN-13: 9789400954625

PROCEEDINGS IAU S)1WOSIUM 112 Michael D. Papagiannis division of Astronomy Boston collage Boston, Massachusetts 02215, united states 1. THE SYMPOSIUM AND THE court cases IAU Symposium 112 - the hunt for Extraterrestrial existence: contemporary advancements, was once held in Boston and particularly on the new technological know-how middle of Boston college, June 18-21, 1984, and used to be attended via approximately one hundred fifty members from 18 diversified international locations. It used to be the 1st legitimate medical assembly geared up by means of IAti fee fifty one, the youngest of all IAU Commissions, which used to be confirmed in basic terms in 1982 on the 18-th IAU basic meeting at Patras, Greece. This quantity of the court cases comprises approximately 70 papers with approximately ninety authors from 20 various international locations, together with papers from our Soviet colleagues (Kardashev and Slysh) who had no longer been capable of attend our Symposium in Boston. the quantity is split into 8 Sections, the 1st of which serves as a common advent, and the opposite seven correspond to the seven periods of the Symposium.

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Extra resources for The Search for Extraterrestrial Life: Recent Developments: Proceedings of the 112th Symposium of the International Astronomical Union Held at Boston University, Boston, Mass., U.S.A., June 18–21, 1984

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First, planetary bodies are generally thought to be necessary if life is to evolve to a complex state; they may even be necessary for the origin of life. Planets can be thought of as "cosmic petri dishes". Second, it is now clear that we know how to detect other planetary systems and that the technology is or soon will be at hand to permit a comprehensive search effort using a wide variety of techniques. I indicated earlier that one can not say with certainty that extraterrestrial life will be discovered in the next twenty years.

The distinction is important because the solar system is after all a system consisting of a star and nine principal planets, two of which (Jupiter and Saturn) are of comparable mass and comprise some 90 percent of the known mass of the planets. Statistics on properties of binary systems where one member is of substellar mass are important, to be sure, but their relevance to planetary systems is not at all obvious. Throughout this discussion I have used the term "comprehensive search" without explicitly stating what I mean.

To reach the necessary angular resolution a more accurate timing of the apparatus was needed, a technical complication small in comparison to those required for SET!. Still, only last year the first source (Cygnus X-3) emitting 10 16 eV 'I-rays was discovered with a detector sufficiently improved and a subtle analysis of data collected in two years2. If it took 23 years for such a simple idea to give fruit in a field where there are no Angels, should half a century be considered too much for SET!?

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The Search for Extraterrestrial Life: Recent Developments: Proceedings of the 112th Symposium of the International Astronomical Union Held at Boston University, Boston, Mass., U.S.A., June 18–21, 1984 by Michael D. Papagiannis (auth.), Michael D. Papagiannis (eds.)


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