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The science behind the Vernal Equinox

Spring Equinox 2024: Science Behind Earth's Seasonal Shift The vernal equinox marks spring's arrival, bringing warmer temperatures, extended daylight, and blooming flowers across the Northern Hemisphere. This astronomical event occurs when Earth's axis aligns perpendicular to the sun's rays, creating nearly equal day and night lengths worldwide. Scientists explain the celestial mechanics that trigger seasonal transitions and their effects on weather patterns.