et al. n. abbreviation for the Latin phrase et alii meaning and others.. This is commonly used in shortening the name of a case, as in Pat Murgatroyd v. Sally Sherman, et al.. adverb and all, and everyone, and more of the same, and other parties, and other things, and others, and the rest.
Circles parallel to the Equator (lines running east and west) are parallels of latitude. They are used to measure degrees of latitude north or south of the Equator. The angular distance from the Equator to the pole is one-fourth of a circle or 90. The 48 conterminous states of the United States are located between 25 and 49 N. latitude. The arrows in figure 8-2 labeled âLATITUDEâ point to lines of latitude.
Degrees of latitude are parallel so the distance between each degree remains almost constant but since degrees of longitude are farthest apart at the equator and converge at the poles, their distance varies greatly. Each degree of latitude is approximately 69 miles (111 kilometers) apart. The range varies (due to the earth's slightly ellipsoid shape) from 68.703 miles (110.567 km) at the equator to 69.407 (111.699 km) at the poles. This is convenient because each minute (1/60th of a degree) is approximately one [nautical] mile.