The ground may feel steady underfoot, but the planet is always in motion. While satellites and sensors have mapped the surface in fine detail, what lies beneath remains largely unknown. The crust, a ...
For over seventy years, a mysterious gravitational depression beneath the Indian Ocean has baffled scientists. Known as the Indian Ocean Geoid Low (IOGL), it marks the deepest point in Earth’s gravity ...
Credit: International Centre for Global Earth Models (ICGEM) / E. S., Barthelmes, F., Reißland, S., Elger, Like all scientific mysteries, the Indian Ocean geoid low (IOGL) — also known as the Indian ...
No audio available for this content. The National Geodetic Survey (NGS) has published a technical report that describes options for how NGS can implement a time-dependent geopotential datum and thus a ...
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