What Is a Sailing Vessel?
A sailing vessel is a ship powered by the wind, using sails. The earliest sailing ships were reed craft used in Mesopotamia circa 5000 BC, and 2000 years later, wooden...
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Where Is the Northwest Passage?
The Northwest Passage (NWP) is a sea route along the north coast of North America between the Atlantic and Pacific oceans. For centuries, European explorers sought a...
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Where Are the Pillars of Hercules?
The Pillars of Hercules are on either side of the Strait of Gibraltar. The legendary Greek hero Hercules was said to have erected the Pillars on a journey to capture...
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When Was the First Interstellar Radio Message Sent?
When Was the First Interstellar Radio Message Sent? The Arecibo Message, humankind’s first interstellar radio message, sent from the Arecibo Observatory in Puerto Rico...
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Who First Traveled the Length of the Amazon?
Who First Traveled the Length of the Amazon? A party of Spanish explorers led by Francisco de Orellana became in 1541 the first Europeans to travel the length of the...
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