Unverified50% confidenceEventExact time

2008年凤凰号着陆器在火星北极地区成功挖掘到地表数厘米以下的水冰

1

Sources

50%

Confidence

Long-term

Relevance

8/14/2026

First Seen

Sources

Sand-Capped Buttes and Polygonal Plains on Mars: Geological Secrets Revealed by High-Resolution Imagery

Related Claims

Unverified火星表面的多边形地形通常与热收缩开裂、地下冰的季节性冻融、沉积物脱水收缩等机制相关69% similar Unverified北极夏季最小冰覆盖面积已从1980年代的约750万平方公里降至近年的约350万平方公里54% similar

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