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Detailed explanation-1: -Today’s Doodle celebrates the life of Marie Tharp, an American geologist and oceanographic cartographer who helped prove the theories of continental drift. She co-published the first world map of the ocean floors.

Detailed explanation-2: -On November 21, an interactive Google Doodle highlighted the pioneering work of Marie Tharp. Starting in 1948, Tharp worked at the Lamont Geological Observatory - now the Lamont-Doherty Earth Observatory at the Columbia Climate School. There, she used sonar data to draw topographic maps of the ocean floor.

Detailed explanation-3: -Marie Tharp was a pioneering American geologist and oceanographic cartographer who helped create the first scientific map of the Atlantic Ocean floor.

Detailed explanation-4: -On November 21 (Monday), Google dedicated a doodle to one of the biggest names in cartography. Marie Tharp, the American geologist and oceanographic cartographer, created some of the most groundbreaking maps that went on to change the perceptions of people about the world.

Detailed explanation-5: -Marie Tharp is credited with producing one of the world’s first comprehensive maps of the ocean floor. She and research partner Bruce Heezen transformed a once barren and flat landscape into a dynamic three-dimensional space with mountains, valleys and trenches.