Our Solar System ________________________________________________________________ 12. Seasons. Equinoxes ans solstices
The astronomical definition of the seasons relates to specific points in Earth's trip around the sun.
The summer and winter solstice, the longest and shortest day of the year, occurs when Earth's axis is either closest or farthest from the Sun.
• The summer solstice in the Northern Hemisphere occurs around June 21, the same day as the winter solstice in the Southern Hemisphere.
• The south's summer solstice occurs around December 21, the winter solstice for the north.
• In both hemispheres, the summer solstice marks the first day of astronomical summer, while the winter solstice is considered the first day of astronomical winter.