1, the largest island group in the world: The largest island group in the world consists of more than 13000 islands in Indonesia and about 7000 islands in the Philippines, and is called Malay Archipelago. Located between the Pacific Ocean and the Indian Ocean, the archipelago extends 6 100 km along the equator, with a maximum width of 3,500 km from north to south and a total area of about 2.43 million square kilometers.
2. The thickest place in the world: Mount Chimborazo in Ecuador, South America. From the center of the earth to the top of the mountain is 6384. 1 km. Qin Boraso Peak is located in the western Cordillera Mountains of the Andes, with an altitude of 63 10 m, which is the highest peak in Ecuador. It has always been mistaken for the highest peak in the Andes. It is a dormant volcano with many glaciers at the top, about 4694 meters.
3. The highest plateau in the world: The Qinghai-Tibet Plateau is the largest plateau in China and the highest plateau in the world, so it is called the "roof of the world". The Qinghai-Tibet Plateau covers an area of 2.4 million square kilometers, and most areas are above 3,500 meters above sea level, including all of Tibet and Qinghai, western Sichuan, southern Xinjiang and parts of Gansu and Yunnan.
4. The largest desert in the world: Most of the North African Plateau is called Sahara Desert, but the real sandy land only accounts for one fifth of the total area. In addition to the desert, there are gravel desert and stone desert. These three landforms are distributed in mosaic shape. The Sahara Desert covers almost the whole of North Africa, bordering the Atlantic Ocean in the west, the Atlas Mountains and the Mediterranean Sea in the north, the Red Sea in the east and the Sahel in the south.
5. The largest ocean in the world: the Pacific Ocean starts from the South Pole in the south, reaches the North Pole in the north, reaches Asia and Australia in the west, and connects North and South America in the east. It occupies about one third of the earth's area and is the largest ocean in the world. Its area, excluding the adjacent sea area, is about165.25 million square kilometers. It is twice the area of the Atlantic Ocean, the second ocean, and more than twice the water capacity.
6. The biggest waterfall in the world: Angel Waterfall, also known as Chulun Meiru Waterfall. Located in Guiana Plateau, Bolivarian State of Venezuela, on the Chulun River, a tributary of Karoni River. The waterfall has a drop of 979m and a bottom width of150m. The waterfall plunges down from Oyantep Yi Shan on the flat-topped plateau, hardly touching the steep cliff.
7. The widest waterfall in the world: Iguazu Waterfall is located 23km upstream of the intersection of Iguazu River and parana river on the Argentine-Brazilian border. The waterfall is horseshoe-shaped, 82 meters high and 4 kilometers wide, which is four times as wide as Niagara Falls in North America and even wider than Victoria Falls in Africa.
8. The largest river in the world: The Amazon River is the largest river in the world, and the Amazon Plain through which the Amazon River flows is the largest plain in the world. Amazon River is the largest river with the largest flow and the widest basin in the world. Its length is second only to the Nile (about 6400 kilometers) and it is the second largest river in the world.
9. The largest coral reef in the world: Coral Sea is located in the southwest Pacific Ocean, bordering Australia and New Guinea in the east, New Caledonia and New hebrides in the west and Solomon Islands in the south. It is about 2250 kilometers long from north to south, 4 10 kilometers wide from east to west, and covers an area of 479 1000 square kilometers.
10. The sea with the highest water temperature in the world: between northeast Africa and Arabian Peninsula, it is long and narrow, from northwest to southeast 1900 kilometers, with a maximum width of 306 kilometers and an area of 450,000 square kilometers. The northern end of the Red Sea is divided into two small bays, with Suez Bay in the west, which is connected with the Mediterranean Sea through the Suez Canal which runs through the Suez Isthmus. To the east is the Gulf of Aqaba.
1 1. The lightest sea in the world: the Baltic Sea is an inland sea extending from the Atlantic Ocean to the northern part of the European continent. It's northeast-southwest. It covers an area of over 420,000 square kilometers. Generally, the water depth is 40 to 100 meters, and the deepest point is 470 meters. Generally, the salinity of seawater is about 34 to 37 per thousand.
12, the world's largest freshwater lake: Lake Superior, the northwest and largest of the Great Lakes in North America, is the largest freshwater lake in the world. Canada is in the northeast of the lake, and the United States is in the southwest. The lake is 616km long from east to west, 257km wide from north to south, with an average elevation of180m, a water area of 82103km2 and a maximum depth of 405m.
13, the highest peak in the world: Mount Everest is the main peak of the Himalayas, the highest peak in the world, with an altitude of 8848+03 meters. Located in the middle of the Himalayas at the junction of Tibet and Nepal. North latitude 27 59 ′15.85 ″, east longitude 86 55 ′ 39.5438+0 ″. This mountain is mainly composed of crystalline rock series.
14, the highest mountain of life and death in the world: The highest extinct volcano in the world is Aconcagua Mountain, located in Argentina, with an altitude of 6,959 meters, which is recognized as the highest peak in the western hemisphere. The peak is located in the northern Andes, with the peak in mendoza province in the northwest of Argentina, but its west wing extends to the coastal lowlands north of Santiago, Chile.
15, the area with the largest annual rainfall in the world: Hawaii is a group of volcanic islands in the central Pacific Ocean and a state in the United States. It consists of 8 large islands and 124 small islands. Hawaii is the transportation and cultural center of the Pacific Ocean, known as the "crossroads of the Pacific Ocean" and an important tourist attraction.
16, windiest area in the world: Antarctica is not only the coldest place in the world, but also the windiest area in the world. Every year, there are 300 days with strong winds of magnitude 8 or above, with an annual average wind speed of 19.4m/s.. 1972, and the maximum wind speed observed at Australian Mosen Station is 82m/s.
17, the largest storm area in the world: The Cape of Good Hope is the guide of the rocky headland at the southern tip of Cape Peninsula in southwest Cape Town. The Cape of Good Hope is stormy and rough. It is located at the intersection of the Mozambican warm current from the Indian Ocean and the cold current from Antarctic waters. 1939 became a nature reserve.
18, the lowest point on the earth's surface: the lowest point on the earth's surface is the Dead Sea. The average water level there is about 400 meters below sea level. The Dead Sea is an inland salt lake located in the Jordan Valley between Israel and Jordan. The West Bank is the Jewish Mountain, and the East Bank is the Outer Jordan Plateau. The Jordan River flows from the north.
19, the longest mountain range in the world: The Andes of Xiongdi Seven Countries is about 9,000 kilometers long, almost three and a half times as long as the Himalayas. It is magnificent and colorful, and it is one of the most spectacular natural landscapes in the world. The Andes belong to the Cordillera mountain system, extending from North America to South America, with a total length of 18000 km, which is the longest mountain system in the world.
20. The largest basin in the world: Congo basin is located in central Africa, mostly in the Democratic Republic of the Congo, and a few in the Democratic Republic of the Congo. With an area of 3.37 million square kilometers, it is the largest basin in the world. The north and south of the basin are plateaus, the east is the Great Rift Valley, the gap is in the lower reaches of Congo River, and the west is the estuary.
2 1, the country with the longest coastline: Australia has the longest coastline, with a total length of 36,735 kilometers.
22. The deepest part of the ocean: Mariana Trench is located in the eastern part of Mariana Islands in the western North Pacific Ocean. It is an arc-shaped depression on the seabed, extending 2550 kilometers with an average width of 69 kilometers. There is a small and steep valley at the bottom of the main ditch. 1957, the Soviet survey ship measured the depth of 10990 meters, and then there was a new record of 1 1034 meters.
23. The longest river in the world: the Nile runs through the northeast of the African continent, flows through Burundi, Rwanda, Tanzania, Uganda, Ethiopia, Sudan and Egypt, crosses the largest Sahara desert in the world, and finally empties into the Mediterranean Sea. The basin covers an area of about 3.35 million square kilometers, accounting for one ninth of the African continent, with a total length of 6,650 kilometers.
24. The largest delta in the world: The largest delta in the world is the Ganges Delta, with a width of 320 kilometers, a starting point of 500 kilometers from the sea and an area of more than 70,000 square kilometers, belonging to Bangladesh and India. The lower reaches of the Ganges River are divided vertically and horizontally, and there are eight main waterways, which join the Brahmaputra River at the entrance of the Bay of Bengal to form a vast Ganges Delta.
25. The world's largest inland lake: The Caspian Sea is the world's largest inland lake, located in the vast and flat western Central Asia and the southeastern tip of Europe, bordering the Caucasus Mountains in the west. The whole sea area is long and narrow, with a length of about 1200 km from north to south and an average width of 320 km from east to west. It covers an area of about 386,400 square kilometers, more than twice the sum of the five largest freshwater lakes in North America.