This interesting article challenges the idea of the "photo" of the earth. Is it really as accurate as it displays? How do we know the accuracy of maps? We take for granted the ease of access of maps. It is interesting that we know that the maps are not completely accurate, but we still rely on maps. These “images” of the earth are actually perspective scans of the earth that do not correctly portray actual earth. The photos of earth aren’t really photos, but interpreted data from satellites. The data from the scans come from many views. This data is then pixelated and merged. Data becomes distorted when it moves from spherical data into planar data. Different projections of maps provide different information and it is important to choose the right one to display the needed information most accurately. I can remember starting to learn about the different types of maps and what each projects the most accurately in middle school. It is important to start teaching this information early so we can start to understand that we currently do not have an accurate “picture” of the globe. If it is not taught, some may start to believe that the world is actually like some of the distorted maps. Another question comes to mind: do certain countries still only use specific maps in order to portray the world a certain way?
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4 years ago
1 comment:
While we still are aware that these maps on say Google Earth is inaccurate, where else do we get the information? And like you said it is too easy to access these maps. There are probably a good amount of people in the world that are not even aware of inaccuracy of the maps of earth. You think with all the technology we have, someone could finally put out an map that is accurate to the true images of earth. Sometimes it seems like we just discovered the earth isn't flat, and we haven't move forward since. But like I said earlier, this is what we have to work with and unless someone has accurate maps, who are they to tell us the maps are wrong.
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