navigational tables
1astronomical navigational tables — Tables in which the altitude angle of a particular heavenly body as seen from a position close to the observer (i.e., from the assumed position) is given. These consist of two parts: one for selected stars and the other for the sun, the planets,… …
2Navigational instrument — Navigational instruments refers to the instruments used by nautical navigators and pilots as tools of their trade. The purpose of navigation is to ascertain the present position and to determine the speed, direction etc. to arrive at the port or… …
3Navigational triangle — The navigational or PZX triangle is a term used in Astro Navigation, or Celestial Navigation, and its solution can give you your position anywhere (more or less) on the globe. The sky is described as a Celestial Sphere with a North and South Pole …
4Amelia Earhart — Earhart redirects here. For the asteroid, see 3895 Earhart. Amelia Earhart Amelia Earhart …
5Martin Behaim — Behaim redirects here. For the lunar crater, see Behaim (crater). Martin Behaim. Engraving from Narrative and critical history of America, Volume 2 by Justin Winsor Martin (von) Behaim (6 October 6, 1459 – 29 July 1507), (also known as Martinho… …
6Discovery Expedition — The expedition ship Discovery in the Antarctic, alongside the Great Ice Barrier The British National Antarctic Expedition, 1901–04, generally known as the Discovery Expedition, was the first official British exploration of the Antarctic regions… …
7navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …
8Edward Wright (mathematician) — For the 20th century mathematician, see Edward Maitland Wright. Edward Wright Title page of the first edition of Wright s Certaine Errors in Navigation (1599) …
9Database management system — A database management system (DBMS) is a software package with computer programs that control the creation, maintenance, and the use of a database. It allows organizations to conveniently develop databases for various applications by database… …
10List of selected stars for navigation — The selected stars for navigation are often used for sextant observations. Fifty eight selected navigational stars are given a special status in the field of celestial navigation. Of the approximately 6,000 stars visible to the naked eye under… …
