The development of improved navigational tools such as the compass and astrolabe greatly aided explorers in their ability to sail the oceans during the Age of Discovery. These tools helped sailors determine their position at sea and navigate more accurately, allowing for safer and more successful voyages to discover new lands.
The magnetic compass
The printing press More efficient ships
Christopher Columbus didn't discover any oceans, only a small island off the coast of the Americas.
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These maps by this Greek cartographer guided sailors into unknown oceans.
Explorers Adventures of the Century - 2013 Stephen Redmond at Oceans Seven 1-3 was released on: USA: 23 February 2013
explorers
development of lungs
Sailing ship. It was the only way available then to cross the oceans.
European
The sextant helped explorers by allowing them to determine their latitude at sea by measuring the angle between the horizon and the sun or a star. This helped navigators plot their position on a map and accurately navigate the vast oceans.