Outside the tropics, autumn marks the transition from summer to winter, in september (northern hemisphere) or march (southern hemisphere). This stunning shift is all thanks to leaf pigments, special molecules that absorb and reflect light in different ways. Autumn, season of the year between summer and winter during which temperatures gradually decrease
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It is often called fall in the united states because leaves fall from the trees at that time.
The autumnal equinox is an astronomical event that marks the start of autumn (or fall)
In the northern hemisphere, the autumnal equinox occurs in september In the southern hemisphere, it occurs in march. Autumn or fall is the third season of the year that arrives after summer and continues until winter The season is marked by shorter days, lower temperatures, and falling leaves.
As autumn arrives with shorter days and longer nights, the chemical compound of many tree leaves transform into a kaleidoscope of reds, oranges, and yellows
