3 ms·
And 97% of the land mass: http://www.wolframalpha.com/input/?i=mars+surface+area+%2F+earth+land+area http://www.wolframalpha.com/input/?i=mars+surface+area+%2F+
by zaken 10y ago
And 97% of the land mass: http://www.wolframalpha.com/input/?i=mars+surface+area+%2F+earth+land+area http://www.wolframalpha.com/input/?i=mars+surface+area+%2F+e...