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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]
That continent began to exert political and cultural dominance over human societies around the world, a time known as the Colonial era (also see Age of Discovery). [195]: 295–299 In the 18th century a cultural movement known as the Age of Enlightenment further shaped the mentality of Europe and contributed to its secularization. [citation needed]
But when Australia split from the southern continent around 45 Ma, the warm equatorial currents were deflected away from Antarctica, and an isolated cold water channel developed between the two continents. The Antarctic region cooled down, and the ocean surrounding Antarctica began to freeze, sending cold water and ice floes north, reinforcing ...
An 1849 atlas labelled Antarctica as a continent but few atlases did so until after World War II. [115] Over time, the western concept of dividing the world into continents spread globally, replacing conceptions in other areas of the world. The idea of continents continued to become imbued with cultural and political meaning.
The work divides the world into two continents, Asia and Europe. Hecatæus depicts the line between the Pillars of Hercules through the Bosporus, and the Don River as a boundary between the two. He was the first writer known to have thought that the Caspian flows into the encircling ocean—an idea that persisted long into the Hellenic period.
The known world of Ancient Egypt saw the Nile as the center, and the world as based upon "the" river. Various oasis were known to the east and west, and were considered locations of various gods (e.g. Siwa, for Amon). To the South lay the Kushitic region, known as far as the 4th cataract.
Holland America Line's 2026 Grand World Voyage visit all seven continents over 132 days. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...
The geologic record is the strata (layers) of rock in the planet's crust and the science of geology is much concerned with the age and origin of all rocks to determine the history and formation of Earth and to understand the forces that have acted upon it.