When it comes to space exploration, one of the greatest pain points is the sheer cost of transporting cargo and astronauts into space, which by one estimate is $50 million a pop. Getting into space is the easy part, it’s the cost that holds people back. No wonder Elon Musk’s SpaceX has been working overtime on developing reusable launch vehicles — by reusing rockets, SpaceX can effectively spread out the cost of each launch over several missions.
Source : Two innovations every space enthusiast needs to know – The Washington Post
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