Ask A Spaceman Ep. 196: Could We Ever Build A Dyson Sphere?

<p>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!</p> <p> </p> <p>This episode is sponsored by BetterHelp. Give online therapy a try at betterhelp.com/spaceman and get on your way to being your best self. Visit BetterHelp to get 10% off your first month!</p> <p> </p> <p><strong>Support the show:<span class= "Apple-converted-space"> </span></strong></p> <p><a href= "http://www.patreon.com/pmsutter">http://www.patreon.com/pmsutter</a></p> <p><strong>All episodes:<span class= "Apple-converted-space"> </span></strong></p> <p><a href= "http://www.AskASpaceman.com">http://www.AskASpaceman.com</a></p> <p><strong>Follow on Twitter:<span class= "Apple-converted-space"> </span></strong></p> <p><a href= "http://www.twitter.com/PaulMattSutter">http://www.twitter.com/PaulMattSutter</a></p> <p><strong>Like on Facebook:<span class= "Apple-converted-space"> </span></strong></p> <p><a href= "http://www.facebook.com/PaulMattSutter">http://www.facebook.com/PaulMattSutter</a></p> <p><strong>Watch on YouTube:<span class= "Apple-converted-space"> </span></strong></p> <p><a href= "http://www.youtube.com/PaulMSutter">http://www.youtube.com/PaulMSutter</a></p> <p><strong>Read a book:<span class= "Apple-converted-space"> </span></strong></p> <p><a href= "https://www.pmsutter.com/books">https://www.pmsutter.com/books</a></p> <p> </p> <p>Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!</p> <p> </p> <p>Big thanks to my top Patreon supporters this month: Justin G, Chris L, Barbara K, Duncan M, Corey D, Justin Z, Naila, Scott M, Rob H, Justin, Louis M, John W, Alexis, Gilbert M, Joshua, John S, Thomas D, Simon G, Erin J, David B, Frank T, Tim R, Tom Van S, Mark R, Alan B, Craig B, Richard K, Dave L, Stephen M, Maureen R, Stace J, Neil P, COTFM, Stephen S, Ken L, Alberto M, Matt C, Joe R, David P, Ul