The Antarctic Ocean, also known as the Southern Ocean, surrounds the continent of Antarctica and is the fourth largest ocean in the world. It is characterized by its cold temperatures and unique ecosystems, which include various species of marine life such as seals, penguins, and whales. The ocean plays a crucial role in regulating the Earth's climate by influencing ocean currents and weather patterns. This ocean is defined by the Antarctic Convergence, where cold, nutrient-rich waters meet warmer waters from the north. It is also home to the Antarctic Circumpolar Current, the world's largest ocean current, which flows continuously around Antarctica. The Antarctic Ocean is vital for global biodiversity and is a key area for scientific research.