Happy World Oceans Day!

Earth’s oceans are really stinkin’ awesome. They’re so awesome, in fact, that there is a entire day dedicated to educating, conserving, protecting, and raising awareness about them. And that day is today!

Happy World Oceans Day!

In honor of the salty water many of will enjoy this summer – swimming at the beach, fishing, or eating lobster – we have put together a list of our favorite nuggets of ocean knowledge! Share them with your friends and family to let them know just how important a health ocean is for a maintaining a healthy planet.

  • Our oceans cover more than 70% of Earth’s surface. And 97% of the water on Earth is found in the ocean!oceanwater


  • There is enough water in the oceans to fill almost 363 quintillion (yup, that’s sixteen 0’s) gallon-sized milk containers! Wow, that’s a lot of milk…

    Image: Boris Mann


  • 95% of the world’s oceans remain unexplored!explore


  • The deepest part of the ocean is called the Challenger Deep and is located beneath the western Pacific Ocean in the southern end of the Mariana Trench. Challenger Deep is approximately 36,200 feet deep!!Challenger Deep


  • Most of the ocean is actually completely dark. Hardly any light penetrates deeper than 656 feet, and no light penetrates deeper than 3,280 feet.ROV


  • Seas are smaller than oceans and are usually located where the land and ocean meet. Typically, seas are partially enclosed by land.ocean sea


  • But there are exceptions. The Sargasso Sea, located in the middle of the Atlantic Ocean, is the only Sea that doesn’t have any land boundaries. Named for a type of floating seaweed called Sargassum found extensively in the region, the Sargasso Sea is an important spawning and nursery site for turtles, eels, and other fish.sargasso


  • Horseshoe crabs aren’t actually crabs…they’re marine arthropods, which means they’re more closely related to spiders than they are to crabs.horseshoe-crab


  • The bowhead whale is believed to be one of the longest-lived marine mammal. Scientists have found evidence that these animals can live well over 200 years!

    Image: Day Donaldson


  • But that’s nothing – a species of clam called the ocean quahog is believed to live for over 500 years!

    Image: NOAA Photo Library

To learn more about the world oceans, check out the National Ocean Service’s Ocean Facts website.

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