Unverified85% confidenceFactTime unknown
以人类目前发射的最快航天器的速度飞向比邻星，需要5万到6万年
1
Sources
85%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
星际旅行能实现吗？从光帆到100年星舰的科学路线图
youtubeNational Geographic
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