Universe Today - 5.24.13 by Markus Hammonds
Dyson put forward the ideas that any potentially advanced civilisation may need a tremendous amount of power to sustain itself. A method he proposed was to build a vast array of satellites which would enclose an entire star to harvest its energy.
|Credit: Hill/Wikimedia Commons|
Vast structures, constructed on astronomical scales by advanced civilisations, is what the field of astroengineering is all about. This, admittedly, sounds audacious – and for the human race right now, it is. For us, astroengineering is still very much the realm of thought experiments, theoretical calculations, and science fiction. So it may be surprising to know that certain astronomers have made some quite serious attempts to look for astroengineered artifacts around other stars. With telescopes becoming ever more sensitive, and images being taken of exoplanets, the idea is starting to captivate imaginations once more.
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