主题：双面月球：冷战太空竞赛与我们的故事 -- 万年看客

从“我们看着也有些纳闷”开始

......We stood there perplexed too.But the professor just mused quietly, "An amazing problem...In our next lab work you'll have to find the solution,"which we did with a model football in wind tunnel.We were able to demenstrate exactly how,if the ball was spun its trajectory altered and then went on to apply this to the landing trajectories of our spherical Vostock and Voskhod spacecraft.