|  |  | Martian Skies [PICS] www.boston.com — What more do we know about Mars' atmosphere? It's hundreds of times thinner than Earth's atmosphere and is made of 95% carbon dioxide, 3% nitrogen, 1.6% argon, and contains traces of oxygen, water, and methane.There are an amazing number of six current live probes exploring Mars. However, only a few show atmospheric phenomena. Here are some of themMore... (Space) Comments Email Added 2008-06-20 17:37:35 MakiMaki