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火星山坡上的神祕季节性黑色线条其实不是水？

 6 years ago
source link: https://cn.engadget.com/2017/11/22/dark-streaks-mars-not-flowing-water/
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科学家在火星上找出不少过去有水存在的证据，但大部份科学家都同意火星上现有的水份几乎都被锁在了两极的冰帽之中，中低纬度是很少有水存在的。即使如此，依然有科学家推测在山坡背阳处可能还有一定量的水份残存，这是为什么当卫星拍到了季节性出现的黑色线条时，科学家特别兴奋的原因 -- 或许，这是藏在山坡里的水份流了出来造成的呢！但由...

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