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
A Word to the Wise A Word to the Wise A Word to the Wise is a 1770 comedy play by the Irish writer Hugh Kelly. It was his second work after the 1767 hit "False Delicacy". Kelly was known as a supporter of the government, and an opponent of the radical John Wilkes. During the second performance of the play a riot broke out amongst Wilkes' supporters at the Drury Lane Theatre and the play was subsequently withdrawn. When it was published instead Kelly wrote a long introduction defending himself and complaining about political prejudice. It was the first play performed at The Theatre,