Can SpaceX afford its new Mars rocket — and will there be a market for it?

On Friday, SpaceX CEO Elon Musk laid out his vision for SpaceX’s future: the company is going all-in on a next-generation vehicle called the BFR, or Big Fucking Rocket. This rocket, which will be capable of going to the Moon and Mars, will eventually become SpaceX’s primary vehicle for launching satellites and traveling to the International Space Station, too.It’s a radical move for the company, which has a fairly reliable rocket already. But can SpaceX afford this change? In h