The remnants of an ancient ocean could be causing a 'gravity

The remnants of an ancient ocean could be causing a 'gravity hole' in the Indian Ocean

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Australia , India , Indian Ocean , Attreyee Ghosh , Himangshu Paul , National Geophysical Research Institute , Geophysical Research Letters , Cnn , Geophysical Research , Tethys Ocean , Tethys , Surface Of The Earth ,