Re: [Ag-umwelt] letters-to-a-heretic

["Dr. Volker Jaenisch" <volker.jaenisch AT inqbus.de>]

Ahoi!

Sorry ich war den Link zur Quelle schuldig geblieben (Guttenberg läßt grüßen :-) )
Am 03.03.2011 12:02, schrieb Guido Körber:

Eher nein. Teil von Dysons These ist, dass man Zivilisationen ab eonem gewissen Entwickkungsstand schwer finden kann weil deren Sonne nicht mehr sichtbar ist, also nur noch im Infrarot, wegen der Dyson Sphäre.

"""
Dyson conceived that such structures would be clouds of asteroid-sized space habitats, though science fiction writers have preferred a solid structure: either way, such an artifact is often referred to as a Dyson sphere, although Dyson himself used the term "shell". Dyson says that he used the term "artificial biosphere" in the article meaning a habitat, not a shape.^[20] The general concept of such an energy-transferring shell had been advanced decades earlier by author Olaf Stapledon in his 1937 novel Star Maker, a source that Dyson has reportedly credited publicly.
"""

http://en.wikipedia.org/wiki/Freeman_Dyson#Dyson_sphere

Beste Grüße

Volker

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