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... of their main sequence life time limit. The exoplanets discussed range in mass from 0.05 to 7.4 times that of Jupiter and they move along moderately circular orbits - although 2 ... is argued that should these, and similar such systems yet to be discovered, support advanced civilizations then their existence might be betrayed through the presence of terraformed (that is engineered) habitable planets ...

... -289 '''Year''' - 2006 '''Keywords''' - SETI, astronomy, history, mathematical models, evolution '''JBIS Reference Code ''' - 2006.59.283 '''Number of Pages''' - 7 Abstract Assume that the history of Astronomy and SETI is the leading proof ... Sagan and Finney and Jones. Our model is based on the use of two cubic curves, representing the evolution of Astronomy and of SETI, respectively. We conclude by extrapolating these curves into the future and ...

... of the British Interplanetary Society for Volume 62 62 '''Page ''' - 131-138 '''Year''' - 2009 '''Keywords''' - SETI, aliens, extraterrestrial intelligence, Fermi paradox, science fiction '''JBIS Reference Code ''' - 2009.62.131 '''Number of ... is to help make this work accessible to specialists such as the SETI and astrobiology communities. While SF is primarily fiction and is meant to entertain, the more thoughtful of such works may serve as a bank of thought experiments to assist in the development of future SETI strategies and policies. '''To BUY this paper click http://www.jbis.org.uk/paper.php?p ...

... array detectors, both for imaging and spectroscopy. Our knowledge of the birth and evolution of galaxies in the very early Universe, the nature of exoplanets, and the birth and evolution of stars in our ... It will never be possible completely to remove the possibility of an undetected signal, and so the main SETI search may continue indefinitely. Footnotes note 1 ...

... '''Keywords''' - SETI, radio telescope, space solar power, interferrometry, phased array '''JBIS Reference Code ''' - 2005.58.357 '''Number of Pages''' - 10 Abstract This paper presents a concept to reuse antenna and other structure ... one square kilometer a starting point for space solar power antenna sizes. Can radio astronomy, and SETI in particular, harness the potential large antenna collection areas inherent in space solar power to ...

... terraforming, ecology, atmosphere, minor planets, moons, SETI, radiation, advanced civilizations '''JBIS Reference Code ''' - 2009.62.32 '''Number of Pages''' - 7 Abstract One big problem with the traditional terraforming ... habitable environments for humanity by enclosing airless and otherwise useless sterile planets, moons, and even large asteroids within engineered shells is proposed. ...

... projects and terraforming would be a part of the overall development of space. Also only a society with a continually expanding population would have a requirement for terraformed worlds. From this viewpoint terraforming could be seen as one stage in a progression of habitable space facilities that grow in size and sophistication as the space ...

... The major obstacle to terraforming Venus is the enormous mass of its CO2 atmosphere. Megatechnological scenarios for eliminating it require far-future technologies, and the very relevance of terraforming under those circumstances is ... tetrahedra. Developments in MNT and biotechnology may allow carba conversion to be carried out with modified microbes and thus recover some of the elegance of the original "Sagan" terraforming scenario. '''To BUY this ...

... initiating terraforming on this red planet. Provided that spacecraft capable of producing very powerful gravity are designed, by being put into the orbit of asteroids and comets, they might deviate these orbits and ... oceans and thickening of the atmosphere, a condition roughly similar to the Earth's precambrian Era is expected to predominate over the planet. These changes might pave the way for accomplishing terraforming ...

... a single data-set of terrestrial extremophile evidence and based upon extrapolation of physical mechanisms (life as a physico-chemical process), SETI is not. SETI is limited to a single data-point - the ... evolutionary pathway (intelligence emerged through a contingent, historical process). We examine this problem and attempt to ascertain whether SETI is a scientific endeavour or whether it is more closely associated with other ...

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