Imaxen:Geoundnsrp.png

[edit] Summary

Geoid, mean deviation from ellipsoid, averaged by rotation around N/S axis.

Related pictures: image:geoundaequrp.png,image:Geoundnsrp.png,Image:Geoids_sm.jpg

Own drawing based on several hints about magnitude of deviation (earth resembles to a pear).

[edit] Licensing

I, the author of this work, hereby publish it under the following license: This file is licensed under the Creative Commons Attribution ShareAlike 2.5 License. In short: you are free to share and make derivative works of the file under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one. Official license