[UPDATE (April 5, 2011): It turns out some of the descriptions I used below to describe a geoid were not accurate. I refer you to this page at the University of Oklahoma for a good description. I’ve ...

The Earth’s geoid is the shape the planet would assume if its surface were made of water. Naturally, there’s little dispute over the shape of the geoid over the oceans, where it varies by only 100 ...

Scientists have known about the existence of a 'gravity hole' in Indian Ocean for decades but have long been left puzzled as to why it exists. Known officially as the 'Indian Ocean Geoid Low', it ...

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 ...

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. There is a “gravity hole” in the Indian ...

18:37, Tue, Jul 25, 2023 Updated: 20:03, Tue, Jul 25, 2023 A mysterious “gravity hole” in the Indian Ocean where the Earth’s pull is significantly lower than elsewhere is caused by plumes of magma ...

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 ...

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 ...

No audio available for this content. As high-precision GNSS horizontal and vertical data becomes less expensive to collect, greater attention must be paid when reconciling vertical datasets. In 2013, ...

[UPDATE (April 5, 2011): It turns out some of the descriptions I used below to describe a geoid were not accurate. I refer you to this page at the University of Oklahoma for a good description. I've ...