Geoid
2015-09-23 02:04:10.576427+02 by Dan Lyke 0 comments
Just because every time I don't put something like this on Flutterby, I run across someone posting the meme and wish I could easily find the counter: Phil Plait at Bad Astronomy: No, That’s NOT What the Earth Would Look Like Without Water:
That’s not at all what it shows. What it actually depicts is the Earth’s geoid: a way of describing Earth’s gravitational field. The original graphic is a product of the MATLAB package described by Ales Bezdek (credits at that link). Here it is in all its knobby goodness: