Relaxation video

The surface area of ​​the World Ocean, which includes oceans and seas, is about 71% of the Earth's surface (about 361 million km²) [1]. The relief of the bottom of the oceans of the Earth as a whole is complex and diverse.

They also talk about oceans in relation to other planets and their satellites, for example, about the ocean of Europa.

The science that studies the oceans is called oceanology; fauna and flora of the ocean is studied by a branch of biology called ocean biology.