Terraforming Tidbits
jonasgreenfeather
Surveyor
This is a really neat map comparing the earth to all its water as a sphere. ...thought there'd be more!
http://io9.com/5908108/if-you-collected-all-of-earths-water-into-a-sphere-how-big-would-it-be
http://io9.com/5908108/if-you-collected-all-of-earths-water-into-a-sphere-how-big-would-it-be