Flags are generally designed to stand out against the background, so I am not convinced that using red on the martian flag is such a good idea. Which is also why there are few green flags in Europe, and also why the white flag of House Stark does not make any sense :-)
It looks very similar to the "logo" of Princeton University [1].<p>[1] <a href="https://lh4.googleusercontent.com/-eJ6mEvslTq8/AAAAAAAAAAI/AAAAAAAAJDg/bRLwo2LAdew/photo.jpg" rel="nofollow">https://lh4.googleusercontent.com/-eJ6mEvslTq8/AAAAAAAAAAI/A...</a>
Although the idea of colonising Mars is something really exciting, I doubt we will be able to pull it off any time soon. There are many much more hospitable places that we haven't yet "colonised", despite a long history of human presence -- compared to Mars surface, Antarctica and Greenland interior are practically a paradise.
> It represents more. The new flag represents multiple aspects of Mars itself and of humanity’s relationship with Mars.<p>Did they miss out the part where they explained what it actually represents?
Did the authors of this website ever heard of the male sign (&#9794;) which is already for millennia the symbol for Mars? Or is this supposed to be an upgrade?