NASA is relying on hi-tech lasers — and some vintage U.S. Navy hand-me-downs — to learn about the polar regions of a remarkable, watery planet. It's located in the Orion spur of our galaxy. NASA scientists have detected mountain ranges completely under ice. But the remaining mysteries of the ice here are profound, and what the science tells us could have dramatic impact on human life.

In this episode, Dr. Thaller visits with two key members of NASA's IceBridge mission — Christy Hansen, Airborne Sciences Manager at the Goddard Space Flight Center, and Joe MacGregor, Deputy Project Scientist for Operation IceBridge.

Full disclosure: audio in this episode includes a noisy old turbo-prop, and melting icebergs recorded here on earth.

Orbital Path is produced by David Schulman and edited by Andrea Mustain. Production oversight by John Barth and Genevieve Sponsler. Hosted by Michelle Thaller.

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