They were weightless not through lack of gravity – there’s plenty of gravity here, so close to earth – but because they were in a constant state of free fall. They were not flying, but falling. Falling at over seventeen thousand miles an hour. Never crashing of course; they could see what had only been theoretical before, that the earth was curving away from the hurtling free-falling craft at the exact rate the craft was travelling, so that the two could never collide. A game of cat and mouse. They inside, weightless in the sense that you’re weightless for a moment on a plunging roller
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