Vernal Equinox 2024 Edta. The vernal equinox — is an astronomical phenomenon when the sun, in its visible motion along the ecliptic, crosses the celestial equator. In other words, on the day of the vernal.
The vernal equinox — is an astronomical phenomenon when the sun, in its visible motion along the ecliptic, crosses the celestial equator. The vernal equinox marks the beginning of astronomical.