Science ❯ Astronomy
Seasonal Changes Autumn Equinox Day-Night Cycle Autumnal Equinox Seasons Solar Position Equinox Effect Northern Hemisphere Fall Equinox Spring Vernal Equinox Earth's Axis Spring Equinox
Despite the name, day and night are only nearly equal today because of how we measure sunlight and atmospheric refraction, with true equality arriving a few days later in many places.
