Astronomy and Astrophysics – Astronomy
Scientific paper
May 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990em%26p...49..177b&link_type=abstract
Earth, Moon, and Planets (ISSN 0167-9295), vol. 49, May 1990, p. 177-186.
Astronomy and Astrophysics
Astronomy
4
Blue Stars, Extraterrestrial Intelligence, Extraterrestrial Life, Stellar Evolution, Engineering, Main Sequence Stars, Stellar Composition, Stellar Luminosity, Stellar Mass Ejection
Scientific paper
Two of the more difficult and obscure problems in modern day astronomy are those relating to the formation of the blue straggler class of stars, and the possible existence of extraterrestrial civilizations. While these two issues have, at first glance, no obvious connection it is argued that through a process of astroengineering some advanced extraterrestrial civilizations may have striven to prolong the lifetime of their parent planets by altering the normal evolutionary course of their parent suns. This engineering process may lead to the production of a star that earth-based observers would call a blue straggler. The engineering process, while no doubt being a formidable one, may follow from the action of induced stellar mass loss and chemical homogenization. Several mechanisms by which this may be achieved are suggested and discussed.
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