31光年外含水的「超級地球」 NASA找到人 - 股票
By Joe
at 2019-11-12T19:23
at 2019-11-12T19:23
Table of Contents
1.原文連結:
https://is.gd/Z87Qmh
2.原文內容:
美國國家航空暨太空總署(NASA)7月31日宣布,透過NASA的過境系行星測量衛星發現,
一顆距離地球31光年的行星GJ 357 d,與其他行星一起繞著恆星運轉。科學家認為,此行
星具有類似地球適合人類居住的條件。
根據外媒報導,科學家發現3顆系外行星「GJ 357 b」、「GJ 357 c」、「GJ 357 d」,
其中以「GJ 357 d」與其繞行的恆星距離最為恰當。天文學副教授卡特內格(LisaKalten
egger)發聲明表示,這是可能孕育生命的首個人類附近超級地球。如果GJ 357 d行星上
有濃厚的大氣層,並且由岩石構成,該行星上的水就可以維持液態的形勢存在於地表上。
發現GJ 357 d的團隊成員柯薩柯斯基(DianaKossakowski)表示,GJ 357 d位在恆星適居
帶的外緣,那裡接收到的恆星能量,與火星接收到的太陽能量約略相同。如果大氣層的溫
度足夠讓冰川融化,就能容許液態水存於地表;如果這顆行星沒有大氣層,它的地表溫度
將低於零下64度。
太陽系外至今總共已確認4025顆系外行星,而GJ 357 d是12顆最揭進系外行星之一。發現
新行星的團隊成員柯薩柯斯基表示,如果這顆行星有濃厚大氣層,這有待未來研究判定,
就能困住足夠熱量來溫暖行星,容許液態水存在地表。
GJ 357 d的質量大約是地球的六倍,繞著一顆名為GJ 357的矮小太陽運行,科學家目前無
法確認此行星更多的資訊,未來將進行更深入的研究探索。
3.心得/評論:
就在月初的時候,波音公司的星際飛機已經在測試階段,未來可以搭星際飛機直接上太空
站(雖然長得一點都不像飛機)
也許未來哪天也能搭去光年以外的地方
到我們新的家之類的。
--
https://is.gd/Z87Qmh
2.原文內容:
美國國家航空暨太空總署(NASA)7月31日宣布,透過NASA的過境系行星測量衛星發現,
一顆距離地球31光年的行星GJ 357 d,與其他行星一起繞著恆星運轉。科學家認為,此行
星具有類似地球適合人類居住的條件。
根據外媒報導,科學家發現3顆系外行星「GJ 357 b」、「GJ 357 c」、「GJ 357 d」,
其中以「GJ 357 d」與其繞行的恆星距離最為恰當。天文學副教授卡特內格(LisaKalten
egger)發聲明表示,這是可能孕育生命的首個人類附近超級地球。如果GJ 357 d行星上
有濃厚的大氣層,並且由岩石構成,該行星上的水就可以維持液態的形勢存在於地表上。
發現GJ 357 d的團隊成員柯薩柯斯基(DianaKossakowski)表示,GJ 357 d位在恆星適居
帶的外緣,那裡接收到的恆星能量,與火星接收到的太陽能量約略相同。如果大氣層的溫
度足夠讓冰川融化,就能容許液態水存於地表;如果這顆行星沒有大氣層,它的地表溫度
將低於零下64度。
太陽系外至今總共已確認4025顆系外行星,而GJ 357 d是12顆最揭進系外行星之一。發現
新行星的團隊成員柯薩柯斯基表示,如果這顆行星有濃厚大氣層,這有待未來研究判定,
就能困住足夠熱量來溫暖行星,容許液態水存在地表。
GJ 357 d的質量大約是地球的六倍,繞著一顆名為GJ 357的矮小太陽運行,科學家目前無
法確認此行星更多的資訊,未來將進行更深入的研究探索。
3.心得/評論:
就在月初的時候,波音公司的星際飛機已經在測試階段,未來可以搭星際飛機直接上太空
站(雖然長得一點都不像飛機)
也許未來哪天也能搭去光年以外的地方
到我們新的家之類的。
--
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