According to the U.S. Geological Survey, about 71 percent of the Earth is covered in water. The total volume of all the water is equal to around 332.5 million cubic miles.Know More
All of Earth's water, including water from oceans, icecaps, glaciers, lakes, rivers, groundwater and water in the atmosphere, could be put into a sphere with a diameter of about 860 miles. This is about the same distance between Atlanta, Ga. and New York City.
If only the Earth's fresh water were put together in a similar sphere, it would have a volume of 2.55 million cubic miles and be 169.5 miles in diameter.Learn more about Earth Science
Water covers 2/3 of the land on Earth. Roughly 71 percent of the Earth's total surface area is water, though it is always in flux due to changes in weather and climate patterns.Full Answer >
Bodies of water on Earth are maintained by the atmosphere keeping the water cycle of evaporation, condensation and precipitation functioning so that water can be replenished. Also, the gravitational pull of the Earth keeps water from leaving the planet.Full Answer >
Astronomers theorize that over 4.5 billion years ago, Theia, an object about the size of Mars, collided with Earth to create a tilted axis. This is called "the giant impact theory." Prior to this event, the axis was straight at 180 degrees.Full Answer >
If the Earth had no axial tilt, there would be no seasons. The climate would remain the same for a given location on Earth year-round, and life as commonly known would likely not exist.Full Answer >