28 enero 2015
The two hemispheres of Mars are more different from any other planet in our solar system. Non-volcanic, flat lowlands characterize the northern hemisphere, while highlands punctuated by countless volcanoes extend across the southern hemisphere. Although theories and assumptions about the origin of this so-called and often-discussed Mars dichotomy abound, there are very few definitive answers. Geophysicists are now providing a new explanation.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/fVoBfa_bTRk/150128125414.htm
