Structures mapped by an undersea robot named Ran on the underside of the Dotson Ice Shelf in Antarctica. The streaks, etched by currents, are up to 60 feet deep and miles long.

Rocket scientists build robot probes to gauge melting beneath Antarctica ice shelf By Steve Gorman August 29, 202411:48 PM PDTUpdated August 29, 2024 ...

The robot, which has cutting-edge sonar, spent 27 days travelling underneath the Dotson Ice Shelf which covers a wide expanse of 1000 kilometres and reveals the never-before-seen details regarding ...