South of Sri Lanka, the Indian Ocean’s surface dips in a broad, subtle depression that has puzzled geophysicists for decades. The sea level there sits more than 100 meters below the theoretical shape ...
The ocean may seem familiar, but much of it remains unexplored. Blue holes are a perfect example, and thesegiant underwater ...
Add Yahoo as a preferred source to see more of our stories on Google. The Indian Ocean Geoid Low spans 1.2 million square miles where a deep gravity anomaly causes the sea surface to sink by as much ...