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研究團隊發(fā)現“超級地球” 質(zhì)量約地球3倍距離6光年

2018-11-15 10:45來(lái)源：中國青年網(wǎng)

　　西班牙太空研究所(ICE)天文學(xué)家伊格納斯·里巴斯及同事，分析了多座設施在20年里記錄下來(lái)的巴納德星的徑向速度數據。他們發(fā)現，每隔233天數據中就會(huì )出現一個(gè)低振幅信號，分析認為，此處可能標示存在一個(gè)“超級地球”?！俺壍厍颉笔琴|(zhì)量大于地球，但低于太陽(yáng)系內冰巨星（海王星和天王星）的行星。而這顆新發(fā)現的行星質(zhì)量至少為地球的3.2倍。

[責任編輯：李曉蕾]

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