Most of the Ocean Is Still Unexplored, and the Mariana Trench Is Just the Start
We have mapped the surface of Mars and the Moon better than our own
ocean floor. Here is why most of the deep sea is still a mystery,
including the Mariana Trench, the deepest place on Earth.
#oceanfacts #unexploredocean #marianatrench #deepsea #oceanmysteries #deepestplaceonearth #seafacts #didyouknow #amazingfacts #factflash
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