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In geology, a continent is defined by continental crust, which is a platform of metamorphic and igneous rock, largely of granitic composition. Continental crust is less dense and much thicker than oceanic crust, which causes it to "float" higher than oceanic crust on the dense underlying mantle.
Seven Summits. The Seven Summits are the highest mountains on each of the seven traditional continents. On 30 April 1985, Richard Bass became the first climber to reach the summit of all seven. [1] In January 2023, Climbing said "Today, the Seven Summits are a relatively common—almost cliché—tour of each continent's highest peak", [2] and ...
8 December 2019. (2019-12-08) Seven Worlds, One Planet is a television documentary series from the BBC Natural History Unit. The seven-part series, in which each episode focuses on one continent, debuted on 27 October 2019 and is narrated and presented by naturalist Sir David Attenborough. [1][2][3] Over 1,500 people worked on the series, which ...
Chronology of continents. A continent is a large geographical region defined by the continental shelves and the cultures on the continent. [1] In the modern day, there are seven continents. However, there have been more continents throughout history. Vaalbara was the first supercontinent. [2] Europe is the newest continent. [3]
Asia. Asia (/ ˈeɪʒə / ⓘ AY-zhə, UK also / ˈeɪʃə / AY-shə) is the largest continent [note 1][10][11] in the world by both land area and population. [11] It covers an area of more than 44 million square kilometers, [note 2] about 30% of Earth 's total land area and 8% of Earth's total surface area.
Continental drift is the theory, originating in the early 20th century, that Earth's continents move or drift relative to each other over geologic time. [1] The theory of continental drift has since been validated and incorporated into the science of plate tectonics, which studies the movement of the continents as they ride on plates of the Earth's lithosphere.
Alfred Wegener was born in Berlin on 1 November 1880, the youngest of five children, to Richard Wegener and his wife Anna. His father was a theologian and teacher of classical languages at the Joachimsthalschen Gymnasium [6] and Berlinisches Gymnasium zum Grauen Kloster. In 1886 his family purchased a former manor house near Rheinsberg, which ...
Coordinates: 8°40′N 80°0′W. The Isthmus of Panama. The Isthmus of Panama (Spanish: Istmo de Panamá) [1] is the narrow strip of land that lies between the Caribbean Sea and the Pacific Ocean, linking North and South America. It contains the country of Panama and the Panama Canal. Like many isthmuses, it is a location of great geopolitical ...