How many oceans on Earth: disputes about the exact number
Favorite question of all geography teachers:"How many oceans on Earth exists?" In this case, it is possible to respond in various ways, in more detail understanding the structure of the hydrosphere of our planet. The water shell is the guarantee of life and prosperity on the Earth, therefore everyone should be at least superficially acquainted with the processes that occur in it. About this and many other interesting facts about the hydrosphere this article will tell.
After the travel of Christopher Columbus, who triedfind a way to India - the most attractive country for Europeans of that time - humanity has learned about a new large water body. In honor of the Greek titan Atlanta, which mythology endowed with steep temper and courage, the ocean was given the name Atlantic. This water object fully justifies the comparison with the hero of the myth, because at different times of the year he can behave absolutely unpredictably.
There was a period when some scholars questioned:"How many oceans on the Earth?" - answered: "Five." They singled out another water body, which washes the coast of Antarctica. He was given the name Southern, but its boundaries are so fuzzy that over time, compilers of geographical maps have ceased to designate this ocean.
This is well-known information about how many oceanson the ground. Many space researchers believe that the hydrosphere could be on other planets of the solar system. So, for example, scientists around the world ask the question: "How many oceans on the planet Mars once existed?" They have not yet found an answer, but if the hydrosphere there was still, then most likely on the next planet millions of years ago could also to inhabit living organisms.
The oceans form on our planeta continuous chain, the constituent parts of which are all the above water objects. He is the source of life, therefore humanity must preserve such an important resource as pure water. Thanks to the competent distribution of these stocks, people guarantee themselves a normal existence, as well as reducing the likelihood of various natural disasters.