Earth is covered in water ... Eventually, once the water level dips past 9,000 meters below sea level, there’s basically nothing left, and the planet is essentially naked.

David Bressan is a geologist who covers curiosities about Earth ... results without (dashed blue arrow) and ... [+] with (solid blue arrow) groundwater mass redistribution. The water pumped ...

Water, one of the essential ingredients for life on Earth, did not appear on the planet until after the moon-forming event, a new study claims ...