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Greenland's 'Grand Canyon' Revealed By Ice-Penetrating Radar | Video
- Published_at:2013-08-29
- Category:Science & Technology
- Channel:VideoFromSpace
- tags:
- description: A 460-mile-long stretch of canyon was discovered underneath Greenland's ice sheet by NASA's Operation IceBridge. It runs from the center of the island to the fjord of the Petermann Glacier.
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| 2013-09-01 | 12,655 | 91 | 7 |
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| 2013-09-02 | 14,647 | 98 | 7 |
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