The image of the 'lumpy Earth' that is the result of ESA's Gravity Field and Steady-State Ocean Circulation Explorer experiment shows how unspherical is the Earth, due to mantle mass-cons. It's great image, especially in the animation.
See: http://www.esa.int/esaLP/SEM1AK6UPLG_LPgoce_0.html
John
APOD suggestion
Re: APOD suggestion
Know the quiet place within your heart and touch the rainbow of possibility; be
alive to the gentle breeze of communication, and please stop being such a jerk. — Garrison Keillor
alive to the gentle breeze of communication, and please stop being such a jerk. — Garrison Keillor