1) People call the Earth "the Blue Planet" because 70 nearly three quarters, is covered with water. 
2) The most of Earths water found in the oceans.
3) The Sun isnt a planet. The Sun is just one of many stars in the Milky Way Galaxy.
4) There are 9 main planets in the Solar system. 
5) The Pacific, the Atlantic, the Indian and the Arctic are the names of the oceans. 
6) The oceans contain 97 of all the water on the Earth.