Not upsidedown

 http://en.wikipedia.org/wiki/South-up_map_orientation

It gives you a different perspective of the world. Doesn't it? 

Because gravity is what gives us our perception of up an down, and because there is no uniform gravity field in all space (especially one that is noticeable to us), the south-up map is just as correct as the north-up.  I think that in order to challenge the idea of "correctness" to your history professors or teachers, we should draw out any assignments dealing with a map in terms of the south-up map which isn't any more wrong than the north-up.  I can see that the north-up map is used for standardizing geography education, but it may come to influence our view of the world by giving us this false complacency in the back of our minds that to go to the north pole, you go "up" and it will cause us to forget that there exists more than one correct answer. 

As wiki says: here's the "Blue Marble"