The British energy supplier Ovo has put some very well-spent hours into a comprehensive calculation of the operating costs of the Death Star, which will return to the spotlight in the December 16th movie Rogue One. They conclude that operating the planet-destroying starbase would cost 6.2 octillion British pounds, or $7.8 octillion, per day--that's $7,800,000,000,000,000,000,000,000,000. […]