the atlantic ocean is the second-largest of the world's five oceans, with an area of about 85,133,000 km2 (32,870,000 sq mi).it covers approximately 20% of earth's surface and about 29% of its water surface area.it is known to separate the 'old world' of africa, europe, and asia from the 'new world' of the americas in the european perception of the world.through its separation from africa, europe, and asia from the americas, the atlantic ocean has played a central role in the development of human society, globalization, and the histories of many nations.while the norse were the first known humans to cross the atlantic, it was the 1492 expedition of christopher columbus that proved to be the most consequential.columbus's expedition ushered in an age of exploration and colonization of the americas by european powers, most notably spain, france, portugal, and the united kingdom.from the 16th to 19th centuries, the atlantic ocean was the center of both an eponymous slave trade and the columbian exchange while occasionally hosting naval battles.such naval battles, as well as growing trade from regional american powers like the united states and brazil, both increased in degree during the 20th century, and while no major military conflicts took place in the atlantic in the present 21st century, the ocean remains a core component of trade across the world.the atlantic ocean occupies an elongated, s-shaped basin extending longitudinally between europe and africa to the east, and north and south america to the west.as one component of the interconnected world ocean, it is connected in the north to the arctic ocean, to the pacific ocean in the southwest, the indian ocean in the southeast, and the southern ocean in the south (other definitions describe the atlantic as extending southward to antarctica).the atlantic ocean is divided in two parts, by the equatorial counter current, with the north(ern) atlantic ocean and the south(ern) atlantic ocean split at about 8°n.a. r. 1.211): atlantikôi pelágei (greek: ἀτλαντικῷ πελάγει; english: 'the atlantic sea'; etym.'sea of atlas') and in the histories of herodotus around 450 bc (hdt.1.202.4): atlantis thalassa (greek: ἀτλαντὶς θάλασσα; english: 'sea of atlas' or 'the atlantic sea') where the name refers to 'the sea beyond the pillars of heracles' which is said to be part of the sea that surrounds all land.in these uses, the name refers to atlas, the titan in greek mythology, who supported the heavens and who later appeared as a frontispiece in medieval maps and also lent his name to modern atlases.on the other hand, to early greek sailors and in ancient greek mythological literature such as the iliad and the odyssey, this all-encompassing ocean was instead known as oceanus, the gigantic river that encircled the world; in contrast to the enclosed seas well known to the greeks: the mediterranean and the black sea.in contrast, the term 'atlantic' originally referred specifically to the atlas mountains in morocco and the sea off the strait of gibraltar and the north african coast.the greek word thalassa has been reused by scientists for the huge panthalassa ocean that surrounded the supercontinent pangaea hundreds of millions of years ago.the term 'aethiopian ocean', derived from ancient ethiopia, was applied to the southern atlantic as late as the mid-19th century.during the age of discovery, the atlantic was also known to english cartographers as the great western ocean.the pond is a term often used by british and american speakers in reference to the northern atlantic ocean, as a form of meiosis, or ironic understatement.it is used mostly when referring to events or circumstances 'on this side of the pond' or 'on the other side of the pond', rather than to discuss the ocean itself.
atlanta | areacode | 404 678 470 <tsp> atlanta | areaofland | 3449 square kilometres <tsp> atlanta | populationdensity | 12990 inhabitants per square kilometre <tsp> atlanta | ispartof | fulton county georgia <tsp> atlanta | areatotal | 3471 square kilometres
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