P3_5 On the minimum mass for a Death Star's power system

R. H. Peck, H. W. Buttery, C. D.Y. Moore, C. J. Middleton

Abstract


We examine the minimum mass necessary to build the power system for a "Death Star", as shown in the "Star Wars" series of films, using current technology. Considering its powerplant as a Carnot engine we are able to find a balance between the necessary mass of reactor and heat radiators so as to reduce the overall mass of the Death Star's power system to 6.8 x 10^25 kg, approximately 930 times the mass of Earth's moon (to 2 significant figures).

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