比鄰星b

比鄰星b（Proxima Centauri b 或 Proxima b^[1]^[2]）係一粒太陽系外行星，喺紅矮星比鄰星（距離太陽最近嘅恆星）宜居帶之內^[3]。呢粒行星距離地球大約 4.2 光年（40萬億公里），喺天球嘅半人馬座裏面。比鄰星b 係已知距離太陽系最近嘅系外行星，亦係已知距離最近嘅宜居帶內嘅系外行星。粒星用徑向速度法發現。

攷

↑ "Earth-like planet discovered orbiting sun's neighbor". CNN. 24 August 2016. 喺24 August 2016搵到. A planet named Proxima b has been discovered orbiting the closest star to our sun.
↑ Davis, Nicola (24 August 2016). "Discovery of potentially Earth-like planet Proxima b raises hopes for life". 《The Guardian》. 喺24 August 2016搵到.
↑ Chang, Kenneth (24 August 2016). "One Star Over, a Planet That Might Be Another Earth". 《New York Times》. 喺24 August 2016搵到.

呢篇太陽系外行星有關嘅文係楔位文。歡迎幫維基百科擴寫佢。

[1] "Earth-like planet discovered orbiting sun's neighbor". CNN. 24 August 2016. 喺24 August 2016搵到. A planet named Proxima b has been discovered orbiting the closest star to our sun.

[2] Davis, Nicola (24 August 2016). "Discovery of potentially Earth-like planet Proxima b raises hopes for life". 《The Guardian》. 喺24 August 2016搵到.

[NYT-20160824-3] Chang, Kenneth (24 August 2016). "One Star Over, a Planet That Might Be Another Earth". 《New York Times》. 喺24 August 2016搵到.

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