plural of solstice

One of the two points in the ecliptic at which the sun is furthest from the celestial equator. This corresponds to one of two days in the year when the day is either longest or shortest.

plural of winter solstice

plural of summer solstice

plural of June solstice

plural of southern solstice

plural of December solstice

plural of northern solstice

(astronomy) The moment when the Earth is in that point of its orbit where the northern or southern hemisphere is most inclined away from the sun.

(astronomy) The moment when the Earth is in that point of its orbit where the northern or southern hemisphere is most inclined toward the sun.