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Space travel: The DIY rocketeer's guide

点击量:   时间:2018-02-02 05:01:02

By Stephen Battersby HERE’s how to make it into outer space. Step 1: fill a big tube with fuel. Step 2: make a hole in one end. Step 3: light the fuse… and whoosh, there you are. Could there be any more to it? There is nothing in the way. You don’t have to reach any magical “escape velocity”. And you don’t have to go very far. Space tour operators are aiming for the Kármán line, 100 kilometres up, which is roughly the altitude at which aeroplanes don’t work any more,