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A solstice is the time when the Sun reaches its most northerly or southerly excursion relative to the celestial equator on the celestial sphere. Two solstices occur annually, around June 21 and December 21. In many countries, the seasons of the year are determined by the solstices and the equinoxes .
Solstice, either of the two moments in the year when the Sun’s apparent path is farthest north or south from Earth’s Equator. In the Northern Hemisphere the summer solstice occurs on June 20 or 21 and the winter solstice on December 21 or 22. The situation is exactly the opposite in the Southern Hemisphere.
- The Editors of Encyclopaedia Britannica
Mar 12, 2024 · A solstice is an event in which a planet ’s poles are most extremely inclined toward or away from the star it orbits. On our planet, solstices are defined by solar declination —the latitude of Earth where the sun is directly overhead at noon.
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Dec 19, 2023 · SCIENCE. What is the winter solstice? Here’s what you need to know. Once a year, an astronomical alignment ushers in this seasonal change. The solstice is celebrated across the world—and...
So what is a solstice, exactly? It's the result of Earth 's north-south axis being tilted 23.4 degrees toward the sun. This tilt causes different amounts of sunlight to reach...
What Are Equinoxes and Solstices? March Equinox ; June Solstice ; September Equinox ; December Solstice ; Equinox: Day & Night Not Equal ; Equilux: When Day & Night Are (Actually) Equal
