This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Latitude and longitude graticule on sphere.svg en Figure showing definition of latitude and longitude on sphere The graticule at intervals of degrees is taken from Spherewireframe at Commons own Peter Mercator Other fields Diagrams Sphere wireframes Spherical coordinates Latitudes Longitudes Languageneutral diagrams SVG diagrams