The mariner's astrolabe, also called sea astrolabe, was an inclinometer used to determine the latitude of a ship at sea by measuring the sun's noon altitude (declination) or the meridian altitude of a star of known declination.
The creation and perfecting of the mariner's astrolabe is attributed to Portuguese navigators during the beginning of Portuguese discoveries
A Sea Odyssey 1415-1543 is a new album project by Paulo C. Rocha, based on the sea exploration and discoveries of the Portuguese, started by Prince Henry the Navigator (Infante Dom Henrique). Portugal, one of the oldest nations of Europe became a great seaborn empire from their exploits during that time.
Music Composed and Arranged by Paulo C. Rocha
Album art by Victor Rocha
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