Earth and Mars comparison

Earth                                     Mars
-146.600.000                     - 227.940.00
-365 day                             - 687 day
-24 h                                 - 24 h  37 min                                         
-15.5                                   -63. 15  19.85
-78% nitrogen,                       - carbon dioxide  
and oxygen 21%                    -2
-1