Source: http://en.wikipedia.org/wiki/Image:Mars_Terra2.JPG Artists impression of a terraformed Mars. Created by Mathew Crisp. English determination method...
http://www.esa.int/spaceinimages/Images/2007/10/Maunder_Crater_Noachis_Terra2 Author European Space Agency Permission (Reusing this file) ESA/DLR/FU Berlin...
