The Fall Equinox:
The spring and autumnal equinoxes, for starters, are the only two times during the year when the sun rises due east and sets due west, according to MacRobert.
The autumnal equinox and vernal—or spring—equinox are also the only days of the year when a person standing on the Equator can see the sun passing directly overhead.
On the Northern Hemisphere's autumnal equinox day, a person at the North Pole would see the sun skimming across the horizon, signaling the start of six months of darkness.
On the same day, a person at the South Pole would also see the sun skim the horizon, beginning six months of uninterrupted daylight.
What it means in Nebraska is that the Cicada's will no longer be singing....
