2018
DOI: 10.1016/j.actaastro.2018.07.012
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Pros and cons of relativistic interstellar flight

Abstract: Two technological problems must be solved before daring to interstellar flight: fuel and propulsion. The highest energy-density 'fuel' is antimatter in its solid or liquid state and this fuel is likely to be our primary choice for multi-ton relativistic rockets. High-energy ion thrusters powered by annihilation reactors promise superior performance in comparison with direct propulsion by annihilation products. However the power generator onboard can significantly increase the rocket dry mass thus limiting the … Show more

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