这条裂纹最初由NASA的“冰桥行动”组在10月中发现，照片在上周发布。
The rift (pictured, around 80 metres wide and 50 metres deep) was first seen in mid-October by NASA's Operation IceBridge project, which released images last week.
“冰桥行动”从智利的蓬塔·阿雷纳斯开始的对南极进行的6个年度实地考察的第三个。
Operation IceBridge is now in the third of six annual field campaigns to Antarctica from Punta Arenas, Chile.
在对地球极地冰川进行的最大的一次空中调查中，执行“冰桥行动”的飞机携带了很多仪器从头到脚对冰川进行了测量。
In the largest airborne survey of Earth's polar ice, the airplanes of Operation IceBridge carry an array of instruments to measure the ice from top to bottom.
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