MPRV-3-PP-07-K-N-11,MPRV-3-PP-07-K-N-11,MPRV-3-PP-07-K-N-11
近日天文學(xué)家發(fā)現(xiàn)了兩個(gè)潛在的可居住星球,與太陽(yáng)系行星排列相似
一國(guó)際研究小組在距離太陽(yáng)12光年處發(fā)現(xiàn)了四個(gè)幾乎可以通過(guò)肉眼觀看到的地球大小的行星,它們圍繞著一個(gè)恒星(被命名為Ceti)軌道運(yùn)轉(zhuǎn)。
其中兩顆行星是位于恒星可居住區(qū)的超級(jí)地球,研究人員稱其環(huán)境可以支持液體水在其地表。
綠色區(qū)域?yàn)橐司訋?
這兩顆行星所處位置也被研究人員稱為宜居帶,這個(gè)區(qū)域既不會(huì)太熱也不會(huì)太冷,該區(qū)域條件允許液體水和生命的存在。
這項(xiàng)新發(fā)現(xiàn)是以前對(duì)該星系研究的延續(xù),科學(xué)家們發(fā)現(xiàn)了五顆圍繞星星的行星,標(biāo)記為T Ceti b到f。
這項(xiàng)新研究,包括赫特福德大學(xué)的專家,證實(shí)了tau Ceti e和f的存在,并發(fā)現(xiàn)了兩個(gè)新的行星,稱為Ceti g和h。
在最近的一組數(shù)據(jù)中沒有發(fā)現(xiàn)上一次研究中聲稱的三個(gè)行星b,c和d。
確定的四個(gè)行星具有低至1.7個(gè)地球質(zhì)量的質(zhì)量,使其成為在如此大的軌道上圍繞著太陽(yáng)的星星發(fā)現(xiàn)的最小的行星。
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