Unverified60% confidenceFactTime unknown
In 2016, astronomers discovered a planet within the habitable zone of Proxima Centauri with a mass approximately 1.3 times that of Earth, named Proxima Centauri b.
2
Sources
60%
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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