Bottom Relief features

  • Our earth is the only planet in the solar system which has water in abundance, hence, it is often called a ‘watery Planet’.
  • About 71 % of the earth’s surface is covered by water.
  • Oceans form a single, large, continuous body of water encircling all the landmass of the earth.
  • They account for four- fifth of the Southern Hemisphere and three fifth of the Northern Hemisphere.
  • They contain 97.2 percent of the world’s total water.
  • There are five principal oceans in the world which are separated largely on the basis of their geographical locations.
  • These are the Pacific Ocean, the Indian ocean, the Atlantic Ocean and the Arctic Ocean. All the other seas, inland seas or the arms of the oceans, are counted within these four main oceans.
  • The National Geographic Society for the first time named the Southern Ocean as the newest of Earth’s five oceans as of June 2021.