Gallery: Travel the Solar System Aboard a Train That Never Stops
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The Solar Express is a conceptual space train that would ferry humans, supplies, and minerals between celestial bodies and space stations.
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Once aboard, you’ll hang out in a large “space city,” rotating around the longitudinal axis to generate gravity.
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Rocket boosters would supply the initial acceleration up to one percent of the speed of light, about 1,865 miles per second.
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Some Solar Express trains could be used to make large loops (between distant planets), while others would be assigned shorter routes, offering a range of pricing options.
