Nature & Environment
The frozen planet
...de Janeiro. [Figure 5] Figure 5 The lines of longitude (in red) and latitude (in blue) on planet Earth as viewed from above the North Pole. In Figure 4 you can see that the blue lines of latitude are always the same distance apart, whereas Figure 5 shows the distance between the red lines of longitude decreases towards the North (and also the South) Pole, where they...