How much would it cost you to move to Mars? According to Elon Musk, a one-way trip to the red planet would set you back only $ 500,000 (£389,000 / AU$ 706,000) – and one day maybe even a fraction of that.
Responding to a query on Twitter, Musk used his account to suggest would-be space travelers could "sell their home on Earth" in order to afford the interstellar journey. You won't need it where you're going, we guess?
Musk's figures are still obviously a lot of money. But considering that SpaceX's Falcon 9 rocket launches cost on average $ 57 million (£44m / AU$ 80m), it's not an unreasonable calculation, and puts the prospect of Mars …
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