I think the idea is that Mars is just a stepping stone, and soon we&#x27;ll be setting out for Alpha Centauri, Procyon, Tau Ceti, Vulcan, Betazed, Tattooine, and so on.<p>Hell, Zuckerburg, Yuri Milner, and Steven Hawking are already planning it:<p><a href="http:&#x2F;&#x2F;www.theatlantic.com&#x2F;science&#x2F;archive&#x2F;2016&#x2F;04&#x2F;yuri-milner-zuckerberg-starshot-interstellar-centauri&#x2F;477669&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.theatlantic.com&#x2F;science&#x2F;archive&#x2F;2016&#x2F;04&#x2F;yuri-miln...</a>