« on: 30/05/2016 23:10:06 »
Quote from: puppypower
As a side note the, they found the earth is denser north to south than east to west.I also have seen reports of seismic measurements showing that the Earth's core is not exactly symmetrical, and that it is not rotating in lockstep with the surface of the Earth.
Although looking at seismograms this tends to be the domain of the US Geological Survey (USGS), rather than NASA.
The bulge of the equator is due to the innards earth being less dense east and west.Sorry, most of Earth's equatorial bulge is due to the fact that the Earth is spinning, and centrifugal force pushes out the rocks and ocean near the equator.
(With apologies to the purists who hate centrifugal force...)
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