太陽(yáng)系其他星球水資源遠勝地球 木星水量最大 | |
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發(fā)起人:eging3 回復數:1 瀏覽數:4219 最后更新:2022/9/29 1:16:39 by nihaota |
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eging3 發(fā)表于 2016/10/11 18:39:00
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太陽(yáng)系其他星球水資源遠勝地球 木星水量最大 在太空放眼望去,地球這顆美麗的藍色星球似乎在太陽(yáng)系擁有得天獨厚的優(yōu)勢,尤其是覆蓋地表的大片大片的海洋資源,但事實(shí)上,據科學(xué)家研究發(fā)現,木星才是水資源最豐富的星球,相比太陽(yáng)系其他星球,地球的水量少得可憐,連一顆小衛星的水資源都可以把地球比下去。
下回有人問(wèn)你哪個(gè)星球的海洋最寬廣,你就說(shuō)木星。盡管地球擁有3.2億立方英里(1333立方千米)水資源,我們的星球相比太陽(yáng)系的其他星球而言簡(jiǎn)直就是一片沙漠。 A moon of Jupiter called Europa, for example, which is roughly the size of our own Moon, likely hides a subsurface ocean with more than twice as much water as there is on Earth. 比如,木星的一顆名叫歐羅巴(木衛二)的衛星,體積和我們的月球差不多,可能隱藏著(zhù)一片次表層海洋,水量是地球的兩倍多。 Yet even that pales in comparison to Europa’s neighbour Ganymede; more than 30 times as much water as our home planet is thought to reside there as liquid and ice. 即便擁有這樣的水量,木衛二相比鄰星木衛三卻是相形見(jiàn)絀;木衛三擁有的液態(tài)和固態(tài)水量超過(guò)了地球水量的30倍。 And scientists keep finding more water wherever they look. On September 28, researchers reported that Dione - a small moon of Saturn - probably has a subsurface ocean, too. 而且,科學(xué)家還在不斷發(fā)現水資源豐富的星球。9月28日,研究人員報告稱(chēng),土星的一顆小衛星土衛四很可能也擁有一片次表層海洋。 To see just how Earth stacks up agains other ocean worlds, Business Insider contacted Steve Vance, a planetary scientist at NASA’s Jet Propulsion Laboratory who’s crunched the numbers on just how much water might be out there. 為了弄清地球在太陽(yáng)系海洋世界的實(shí)力,商業(yè)內幕網(wǎng)聯(lián)系了美國宇航局噴氣推進(jìn)實(shí)驗室的行星科學(xué)家史蒂夫?凡思,他運算出了其他星球的水量數據。 The to-scale graphic below uses Vance’s data to show the plausible volumes of water (both liquid and ice) for the nine ocean worlds verified so far: 下面的這張等比例繪制圖運用凡思的數據顯示出到目前為止已證實(shí)的太陽(yáng)系九大行星海洋的理論水量(包括液態(tài)和固態(tài)水): ![]() In order of how much water they have, from the least to the most, they are: Enceladus, Dione, Earth, Europa, Pluto, Triton, Callisto, Titan, and Ganymede. 按照擁有的水量排序,從少到多依次是:土衛二,土衛四,地球,木衛二,冥王星,海衛一,木衛四,土衛六和木衛三。 Mimas, a moon of Saturn, and Ceres, the largest asteroid in the Solar System, are also thought to have subsurface oceans - but scientists aren’t yet sure how big each one might be. 土星的衛星土衛一和太陽(yáng)系最大小行星谷神星也被認為擁有次表層海洋,但科學(xué)家尚不能確定這兩顆星球上的海洋有多大。 |
nihaota 發(fā)表于 2022/9/29 1:16:41
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