The equinoxes are not fixed points on the celestial sphere but move westward along the ecliptic, passing through all the constellations of the zodiac in 26,000 years. This motion is called the precession of the equinoxes. The vernal equinox is a reference point in the equatorial coordinate system.
Wolf spiders are found in almost every country in the world. They are most commonly found in grasslands and meadows but also live in deserts, rain forests and wetlands.... Wolf spiders are found in almost every country in the world.
These spiders have a wide geographic range: N. crucifera is found from Lake Okeechobee in southern Florida north to New England, west to Minnesota, and southwest to Arizona and central Mexico, whereas N. domiciliorum occurs southeast of a line drawn from Massachusetts to Indiana southwest to Texas.