This paper describes the mechanics of satellite orbits and explains why certain operations are suited to particular orbits. It discusses the requirements for launching satellites into space and maneuvering them once in space.

Recent projections indicate that by the year 2050, racial minorities will comprise more than 50 percent of the U.S. population. That is, the United States is expected to become a “majority-minority” nation. This essay adopts a social psychological approach to consider how these dramatic demographic changes may affect both racial minorities and white Americans.