How much does it cost to build a city on Mars? Elon Musk has the answer
Updated : August 15, 2019 06:48 AM IST
Musk calculated the approximate future cost of sending a minimum payload to Mars "to the nearest order of magnitude", at $100,000 per tonne.
SpaceX is building "Starship" (formerly known as the BFR), a fully reusable vehicle designed to take humans and supplies to Mars.