Our oceans take up 71% of the Earth and house 99% of our biosphere. But just how big are they really? In celebration of World Oceans Day, take a moment to marvel at the wonder (and sheer size) of our oceans: | TED-Ed

It's World Water Day! Did you know that 96.5% of the world's water is in the salty ocean, leaving only a small remaining amount that is fresh? This dataset shows the salinity (concentration of salt) differences throughout the ocean. These variations in salinity have large-scale effects on Earth's water cycle and ocean circulation. Read more here: https://sos.noaa.gov/datasets/sea-surface-salinity/ | NOAA Science On a Sphere