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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 ...

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What was our planet like in years past? How has our civilization affected Earth and its ecology? Harvesting Space for a Greener Planet, the Second Edition of Paradise Regained: The Regreening of the Earth, begins by discussing these questions, and then generates a scenario for the restoration of Earth. It introduces new and innovative ideas on how we could use the Solar System and its resources for terrestrial benefit.The environmental challen...