Student World Atlas (Maailma atlas)
sphe re, such as the Earth , the re are no co rne rs o r sides, no beginrung o r
end. But since the Earth ro tates on an axis, th ere are two fixed points: th e Parall els of
Latitude
No rt h Pole and the So u th Pol e. These pomts mak e a good start ing pla ce
for a syste m o f im ag inary lin es.
These im aginar y line s fo rm a grId over th e Ear th, allo wm g us w pmpOlnt
the exact locatio n of any SpOt o n the Eart h. This sp he rica l grid IS called the
grati cule. It is fo rm ed by lines ca lled latitude a nd longitude.
Merid ia ns of
Longitude
annaabi.ee 
