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Old 7th Nov 2022, 12:45
  #42 (permalink)  
ORAC
Ecce Homo! Loquitur...
 
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To just elucidate a bit further, WGS-84 is a gravity model, so the density of the different components (mantle, core etc)
is modelled rather than just the shape.

Then, of course, the Barycentre has to be taken into account..
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