Ocean | Definition, Distribution, Map, Formation, & Facts | Britannica
2024年11月3日 · Ocean, continuous body of salt water held in enormous basins on Earth’s surface. There is one ‘world ocean,’ but researchers often separate it into the Pacific, Atlantic, Indian, Southern, and Arctic oceans.
Ocean - Wikipedia
The ocean is the body of salt water that covers approximately 70.8% of Earth. [8] In English, the term ocean also refers to any of the large bodies of water into which the world ocean is conventionally divided. [9] The following names describe five different areas of the ocean: Pacific, Atlantic, Indian, Antarctic/Southern, and Arctic.
Oceans 101 | National Geographic - YouTube
2017年8月15日 · Oceans serve as the planet’s largest habitat and also help to regulate the global climate. But why is the ocean salty? And how is climate change impacting the ocean? Find out more about the...
Oceans—facts and information - National Geographic
2019年3月21日 · The ocean is a continuous body of salt water that covers more than 70 percent of the Earth's surface. Ocean currents govern the world's weather and churn a kaleidoscope of life.
How Many Oceans Are There In The World? - WorldAtlas
2020年8月19日 · The ocean is a massive body of saline water that covers approximately 72% of the Earth's surface. According to NOAA, there is only one Global Ocean. However, this ocean has been divided into distinct named geographic regions by countries and oceanographers.
All About the Ocean - National Geographic Society
2024年10月30日 · The ocean covers 70 percent of Earth 's surface. It contains about 1.35 billion cubic kilometers (324 million cubic miles) of water, which is about 97 percent of all the water on Earth. The ocean makes all life on Earth possible, and makes the planet appear blue when viewed from space.
Ocean Overview - National Geographic
2010年4月27日 · The ocean is a continuous body of saltwater that covers more than 70 percent of the Earth's surface. Ocean currents govern the world's weather and churn a kaleidoscope of life.
Ocean - Simple English Wikipedia, the free encyclopedia
An ocean is a large body of water between continents. Oceans are extremely big and they join smaller seas together. Oceans (or marine) cover 70% of Earth. [1] There are five main oceans: the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Southern Ocean, and the Arctic Ocean.The largest ocean is the Pacific Ocean. The smallest ocean is ...
Ocean - Education | National Geographic Society
2024年9月18日 · The ocean is a huge body of saltwater that covers about 71 percent of Earth’s surface. The planet has one global ocean, though oceanographers and the countries of the world have traditionally divided it into five distinct regions: …
Know Your Ocean | Ocean Today - National Oceanic and …
Sea levels can rise, however, from ice that melts off land and into the ocean. Understanding basic facts about the ocean is important since it affects everything from our atmosphere to our ecosystems. By knowing your ocean, you are better prepared to help protect it.