Smallest ocean in the world

All the oceans are pretty similar; after all, they're all the same body of water. However, subtle differences in temperature, salinity and density exist between the oceans.

For instance, the Atlantic Ocean is slightly saltier than the Pacific, due to a dizzying number of factors, from the way the water cycle works to the effects of hydrothermal vents.

Pacific Ocean

The Pacific Ocean is the largest and deepest of the five oceans, its waters covering more than 30 percent of the globe and holding more than half of the world's above-ground water.

The Pacific covers 60 million square miles (155 million square kilometers), which is larger than the area of all the continents combined.

Challenger Deep, the deepest spot in any ocean anywhere on Earth, is in the Pacific Ocean's ultra deep Mariana Trench.

Ferdinand Magellan named the Pacific Ocean in 1520 when he sailed through a particularly peaceful corner of the ocean and named it for its tranquil waters.

Truth is, the Pacific stirs up some of the most ferocious storms on the planet and is home to the &qu

total number of continents and oceans in the world

total number of sea ports in the world