Stellar engineering

In terms of the scale of the galaxy, both in space and time, we humans are new comers. Though we are newly on the scene, we are already thinking about how to create large structures in space. Recently, analysis of data from one of the stars in the Kepler data set has led to speculation regarding huge artificial structures (called Stapledon/Dyson Spheres) constructed by advanced extraterrestrial civilizations. The NASA Kepler space observatory has been observing light curves of about 100,000 stars in the constellations of Cygnus and Lyre. This star, popularly dubbed "Tabby's Star" after the first name of the astronomer leading one of the data reduction teams, shows intriguing periodic dips in its luminosity. Stellar Engineering starts by considering terrestrial organisms, and early humans, who have constructed, on their scale, "megastructures," and continues with a history of the development of the stellar engineering concept. Kepler data on the subject star is reviewed as is observational data on other possible Stapledon/Dyson Sphere candidates. Possible applications of such enormous constructs are discussed, as well as the intriguing speculation that we might live in a Stapledon/Dyson swarm of alien space habitats within our Solar System's Kuiper Belt. The chapter frontispiece art illuminates the ideas presented.

Introduction: Why stellar engineering -- Thinking big -- If we can do it: Olaf and the star shell -- Freeman gets in the act -- Kardashev speaks : ET and stellar energy -- Ring around a star -- Fermi's peradox : an ill omen? -- Exoplanets: an expanding search -- The most interesting star in the galaxy -- Other searches, other stars -- Steps toward star shells -- The zone of life -- How stars evlove -- Architects, migrants, and artists -- To cool the earth -- Are they here? -- Appendices.