English: The Sun & the ecliptic rotation around the Earth : The green Sun is the one of the vernal equinox (march), it is followed by a summer solstice Sun. Then automn equinox and winter solstice. The ground plane (latitude 50°N) is green, the rotating ecliptic plane is blue. Also represented are the celestial equator, the two tropics and the rotation axis.
Français : Changement de position du Soleil et de l'écliptique autour de la Terre : le Soleil vert est celui du point vernal (mars), il est suivi du Soleil au solstice d'été. Ensuite, équinoxe d'automne et solstice d'hiver. L'horizontale (à 50° de latitude nord) est vert, le plan de l'écliptique (sur lequel 4 Soleils sont représentés) est bleu. On peut aussi voir l'équateur céleste, les deux tropiques et l'axe de rotation terrestre. Le cylindre noir représente un homme à la surface.
Русский: Движение Солнца (жёлтые и зелёный шарики) по небесной сфере в день летнего солнцестояния (верхняя зелёная окружность), в день весеннего и в день осеннего равноденствий (красная окружность) и в день зимнего солнцестояния (нижняя зелёная окружность). Голубой круг — плоскость эклиптики. Зелёный круг — плоскость горизонта.
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