What are Dyson spheres? What would be involved in building one? How much energy would it cost, and could we ever pay it back? I discuss these questions and more in today’s Ask a Spaceman!
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Thanks to Cathy Rinella for editing.
Hosted by Paul M. Sutter, astrophysicist and the one and only Agent to the Stars (http://www.pmsutter.com).
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En liten tjänst av I'm With Friends. Finns även på engelska.