GEOLOGY

Detailed explanation-1: -Jolly Roger: A Symbol of Terror and Pride tells the story of the skull and crossbones flag, commonly known as the Jolly Roger, which has been associated with pirates for centuries. The title Jolly Roger is thought to come from the French phrase “joli rouge” which means “pretty red".

Detailed explanation-2: -a person who robs or commits illegal violence at sea or on the shores of the sea. a ship used by such persons. any plunderer, predator, etc.: confidence men, slumlords, and other pirates.

Detailed explanation-3: -In order to calculate position and course heading, pirates had to recognize several celestial bodies, such as the sun, moon, and certain stars, including Polaris, Rigel, and Procyon.

Detailed explanation-4: -Corsairs, buccaneers and privateers Corsairs were pirates who operated in the Mediterranean Sea between the 15th and 18th centuries. Muslim corsairs, such as the Barbarossa (red beard) brothers, had bases along North Africa’s Barbary Coast, while Christian corsairs were based on the island of Malta.