Because the world is a sphere, it is difficult to accurately project this on a two-dimensional map. When the world is flattened to fit on a piece of paper it is distorted. This makes some ...
NASA has launched a $488m infra-red mission to map the distribution of galaxies and study cosmic inflation. The ...
The word “planisphere” means a sphere represented as a plane ... a colleague of Christopher Columbus. Both maps reveal the great challenge the New World presented to mapmakers, who were ...
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