DescriptionZenith-Nadir-Horizon-lb.svg This W3C-unspecified vector image was created with Inkscape . English: An SVG to show the relationship between Zenith,...
Relationship between Zenith, Nadir, Horizon. Persian تصویر شماتیک موقعیت بردار زنیت و معکوس آن بردار ندیر French Relations entre Zénith, Nadir, horizon astronomique...
