【天文新鲜事】NASA考虑向比邻星发射探测器！巴纳德星确认存在岩质行星！

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1、向比邻星发射探测器2、巴纳德星确认存在岩质行星 [1] Nikolaos Perakis, Lukas E. Schrenk. et al. Project Dragonfly: A feasibility study of interstellar travel using laser-powered light sail propulsion. Acta Astronautica. 129:316-324. (2016).[2] Gong, S., Macdonald, M. Review