Posted by: Kirsten Pisto, Communications
Fall has arrived and the autumn equinox is September 23! This Friday, September 23, the autumn equinox will take place at precisely 9:04 a.m. The autumn equinox occurs once a year when the earth's axis is inclined neither away from nor towards the sun. This means that the hours of daylight and night time are exactly the same: 12 hours of day, 12 hours of night.
After September 23rd, the earth's axis, and the North Pole, will begin to tilt away from the sun. The sun rises lower and lower in the sky so the days start getting shorter until December's shortest day of the year. This creates wonderful long shadows that stretch across the ground during autumn and early winter.
The zoo is a perfect place to watch these shadows move, since we have so many tall trees and open spaces. Artists and photographers should take advantage of this time of year. The light is softer in the fall, because the sun's rays are not as dir