Nadir is employed during remote sensing of the atmosphere, as well as when an astronaut faces the Earth while performing a spacewalk. The term nadir can also be used to represent the lowest point reached by a celestial body during its apparent orbit around a given point of observation. This can be used to describe the location of the Sun, but it is only technically accurate for one latitude at a time and only possible at the low latitudes. The sun is said to be at the nadir at a location when it is at the zenith at the location's antipode
The Who, What, or Where Game a block of daytime games on NBC during the early 1970s, which began with "Concentration" at 10:30 a.m. Eastern Time and continued to "Three on a Match" at 1:30 p.m. Most of these games were known for emphasizing game play over prizes, which were intentionally small due to memories of the quiz show scandals of the 1950s. "The Who, What, or Where Game" ran at 12:30 p.m./11:30 a.m. Central, opposite "Search for Tomorrow" on CBS, and sitcom reruns, soap operas, and the games "Password" and "Split Second" on ABC. Because NBC ran a five-minute newscast anchored by either Floyd Kalber