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…
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Journey
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…
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…
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 in 1974, is a three-minute message of exactly…
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 Amazon River.…