Continents & Oceans
Geography · महाद्वीप और महासागर
📋Quick Overview
The Earth's surface is divided into 7 continents and 5 oceans. Continents cover about 29% of Earth's surface while oceans cover about 71%. Asia is the largest continent by both area and population. Australia is the smallest continent. Antarctica is the coldest, driest, and windiest continent. The Pacific Ocean is the largest and deepest ocean, covering more area than all landmasses combined.
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The 7 continents in order of area (largest to smallest): Asia > Africa > North America > South America > Antarctica > Europe > Australia/Oceania
📖7 Continents — Key Facts
| Continent | Area (million sq km) | % of Land | Key Facts |
|---|---|---|---|
| Asia | 44.58 | 29.5% | Largest continent, most populous (~60% world population), highest point (Mt. Everest 8,849m), lowest point (Dead Sea -430m), largest country (Russia spans Europe+Asia) |
| Africa | 30.37 | 20.0% | 2nd largest, 2nd most populous, hottest continent, longest river (Nile 6,650 km), largest desert (Sahara), largest country = Algeria, called 'Dark Continent' |
| North America | 24.71 | 16.3% | 3rd largest, discovered by Columbus (1492), largest country = Canada, longest river = Mississippi-Missouri, Great Lakes, Grand Canyon |
| South America | 17.84 | 11.8% | 4th largest, Amazon = largest river by volume, Andes = longest mountain range, Angel Falls = highest waterfall, Amazon Rainforest = largest tropical forest, largest country = Brazil |
| Antarctica | 14.20 | 9.4% | 5th largest, coldest (-89.2°C recorded at Vostok), driest, windiest, no permanent population, 98% covered in ice, India has Maitri & Bharati research stations |
| Europe | 10.18 | 6.7% | 6th largest, 2nd smallest, most developed, smallest country = Vatican City, largest country = Russia (European part), longest river = Volga, Alps = major mountain range |
| Australia/Oceania | 8.53 | 5.6% | Smallest continent, also called 'Island Continent', largest country = Australia, Great Barrier Reef (largest coral reef), Ayers Rock/Uluru, called 'Land Down Under' |
📖5 Oceans of the World
| Ocean | Area (million sq km) | Key Facts |
|---|---|---|
| Pacific Ocean | 168.72 | Largest & deepest ocean, Mariana Trench (11,034m = deepest point on Earth, Challenger Deep), covers more area than all land combined, Ring of Fire (volcanic belt) |
| Atlantic Ocean | 85.13 | 2nd largest, 'S' shaped, busiest for trade/shipping, Bermuda Triangle, Mid-Atlantic Ridge (longest mountain range underwater), separates Americas from Europe/Africa |
| Indian Ocean | 70.56 | 3rd largest, only ocean named after a country (India), warmest ocean, important trade routes, Indian Ocean Dipole affects monsoon |
| Southern/Antarctic Ocean | 21.96 | 4th largest, surrounds Antarctica, coldest ocean waters, rich in marine life (whales, penguins), strong currents |
| Arctic Ocean | 15.56 | Smallest & shallowest ocean, mostly covered by sea ice, North Pole located in it, bordered by Russia, Canada, USA (Alaska), Norway |
📝World Superlatives by Continent
| Superlative | Name | Continent / Location |
|---|---|---|
| Highest Mountain | Mt. Everest (8,849m) | Asia (Nepal-China border) |
| Longest River | Nile (6,650 km) | Africa |
| Largest River (volume) | Amazon | South America |
| Largest Desert (hot) | Sahara | Africa (9.2 million sq km) |
| Largest Desert (overall) | Antarctic Desert | Antarctica (14.2 million sq km) |
| Highest Waterfall | Angel Falls (979m) | South America (Venezuela) |
| Largest Lake | Caspian Sea | Asia-Europe border |
| Deepest Lake | Lake Baikal | Asia (Russia, Siberia) |
| Longest Mountain Range | Andes (7,000 km) | South America |
| Largest Coral Reef | Great Barrier Reef | Australia (Oceania) |
| Deepest Ocean Point | Mariana Trench (11,034m) | Pacific Ocean |
| Lowest Point on Land | Dead Sea (-430m) | Asia (Israel-Jordan) |