Lateen sail
the ships and the nevigational instrument astrolabe it uses the postion of the sun to determine direction latitude and local time
The Germans were to blame
There are no records to determine which country first used ships to trade with.
2/27/96 IS THE MOST IMPORTENT
B.why the document was created.
The development of navigational tools like the astrolabe and compass were crucial for European exploration, enabling sailors to determine their position at sea. Additionally, advancements in shipbuilding techniques, like the development of the caravel, facilitated longer journeys.
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astrolabe, used by ancient astronomers and navigators to determine the position of celestial bodies and navigate the seas.
Instruments such as a sextant or a quadrant can be used to determine the altitude of the North Star. By measuring the angle between the North Star and the horizon, navigators can determine their latitude.
Navigators use the magnetic compass as it points towards the Earth's magnetic North Pole, providing a reliable reference direction for navigation even when other systems may fail or be unavailable. This allows them to determine their heading and maintain a consistent course.
Navigators can use a magnetic compass to determine which way is North even when they can't see the North Star.
A sextant helps navigators determine their position by measuring the angle between a celestial object, such as the sun or a star, and the horizon. By comparing this angle with known values, sailors can calculate their latitude and longitude accurately. This tool is essential for celestial navigation when GPS or other electronic systems are not available.
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The astrolabe is useful in sea exploration because it allows navigators to determine their latitude by measuring the angle of celestial bodies above the horizon. This capability is crucial for sailors to chart their course accurately and ensure they remain on track during long voyages. Additionally, the astrolabe's portability and relative simplicity made it an essential tool for maritime navigation before the advent of modern instruments. Overall, it significantly enhanced the safety and efficiency of sea travel.
Microscopes
During the Age of Exploration, Iberian sailors made significant advancements in navigation and ship design. The development of the caravel, a small, highly maneuverable ship, allowed for exploration along Africa's coast and across the Atlantic. Innovations like the astrolabe and quadrant improved celestial navigation, enabling sailors to determine their latitude at sea more accurately. Additionally, the use of detailed maps and charts, such as the portolan charts, facilitated more precise navigation and exploration.