Mars colony will cost $10 trillion: Elon Musk

The expenditure of setting up an entire civilisation will fall anywhere between 10 per cent of the US' 2019 military budget and three times its 2018 tax revenue

By Author  |  Published: 14th Aug 2019  9:55 pm

SpaceX CEO Elon Musk has not stopped at lofty talks of colonising Mars. He has even estimated the cost of having a self-sustaining civilisation on the Red Planet which is “between $100 billion and $10 trillion”.

Musk tweeted his estimates of building a city on Mars in response to a question posed by the Twitter handle @marstronauts.So, according to the estimate by Musk, building a city on Mars could cost anywhere between 10 percent of the US’ 2019 military budget and three times the country’s 2018 tax revenue. Musk calculated the approximate future cost of sending a minimum payload to Mars “to nearest order of magnitude”, at $100,000 per tonne.

So, if building a self-sustaining city on Mars requires a million tonnes of cargo, the cost would be around $100 billion, he calculated.Musk earlier advocated the need of a “backup” planet.Speaking in an interview with Axios in November 2018, Musk said that that there is “70 percent chance that he will go to Mars”, despite a “good chance” of him not surviving either on the way or after landing. SpaceX is building “Starship” (formerly known as the BFR), a fully reusable vehicle designed to take humans and supplies to Mars.