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Several ingenious instruments have been invented over the centuries to help in navigating the seas.
navigation, orientation, shipping, calendar stone, compass, quadrant, astrolabe, astronomy, discovery, explorer, ships, Sun, Polaris, magnetic field, North Magnetic Pole, protractor, horizont, degree scale, scale, geometry, refraction, watercraft, mathematics, seas, history, Middle Ages, modern history
A sailing vessel with characteristic lugsails used for both military and trade purposes.
Christopher Columbus' three-masted carrack, the Santa Maria was the flagship of his first, landmark voyage.
These excellent shipbuilders and sailors traveled great distances on the seas and rivers.
The system of circles of latitude and longitude on the globe enable every location on the Earth to be exactly specified.
The Earth’s magnetic North and South poles are located near the geographic North and South poles.
The apparent movement of the Sun is caused by the Earth's rotation around its axis.
Legendary geographical discoveries at the beginning of the Modern Age had not only redrawn maps, but also had a truly diverse impact.
James Cook's legendary journey around the world proved to be enormously valuable for science.
The difference between the temperature of the polar and equatorial zones causes atmospheric circulation which is affected by a number of factors, including...
The Great ocean conveyor is a planet-wide system of ocean currents, which has a great influence on the Earth´s climate.
Schooners, first built in the Netherlands in the 17th century, were mainly used as merchant ships.
The Global Positioning System consists of 24 satellites but only 4 have to be visible for positioning.