🌍↖️☀️🥶❄️

#winter solstice #earth tilt #shortest day #sun angle #start of winter

🌍☀️🕳️

#earth orbit #sun position #figure 8 #axial tilt #sun angle

🌅📐🔭

#horizon #altitude measurement #sun angle #star angle #telescope sight #navigation instrument #angle finding

🚢🔭☀️

#maritime navigation #sailor #telescope #sun angle #celestial object #sea navigation

☀️🌍📐

#solar angle #sun angle #Earth-Sun angle #angle of incidence #axial tilt angle #seasonal angle