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Seasons of Change
Vernal Equinox
Vernal Equinox definition: A day in year when the Sun is directly over the equator, heading northward.
Related Terms
Albedo
Angle Of Insolation
Autumnal Equinox
Differential Heating
Diurnal Cycle
Electromagnetic Radiation
Electromagnetic Spectrum
Evaporation
Insolation
Summer Solstice
Winter Solstice
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