The term Ephemeris, according to the use that it can be referred to various issues.
To an event or event that happens on a certain calendar date such as: the triumph of a battle, the birth of a national hero or any other prominent personality in the field of culture, science or politics, or some transcendental political decision for a Nation, among others, they are called with the term of ephemeris.
Also to the commemoration of the anniversaries of the aforementioned events is known as ephemeris. It is very common to find oneself in the communication media, such as magazines, newspapers, television programs and even radio with sections or segments in which the events of the day are listed, that is, it is aware of those important events that occurred that day. same day but in another year.
For example, On October 12, 1492, Admiral Christopher Columbus discovered the American continent; On November 22, 1963, the President of the United States John Fitzgerald Kennedy was assassinated by two shots while visiting the state of Texas; On July 16, 1969, a North American space mission reached the Moon for the first time, also being the first visit by man to its best-known and closest satellite.
On the other hand and at the behest of Astronomy and Astrology, an ephemeris is a table of values that provides the positions of astronomical objects in the sky at a given moment or moments. The aforementioned position is represented in the form of spherical polar coordinates in the case of Astronomy and longitude for Astrology. This type of ephemeris warns about the different astronomical phenomena of interest such as eclipses, stations with planetary movements, sidereal time, phases of the moon, among others.
