Recent space flights by Jeff Bezos and Richard Branson have raised the tantalizing question of whether space travel is in our near future. Space exploration has traditionally been the venture of governments, but with last November’s launch of an astronaut crew to the International Space Station by Elon Musk’s company SpaceX, commercial flights to deep space seem more tangible. But is privatized space travel by billionaires just a vanity project? Or is this a huge step towards tackling space, the final frontier?  

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