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What share of Earth's surface is covered by ocean?
Confirmed
About 71%
Roughly 71% of the surface is water, almost all of it ocean. That is why Earth looks blue from space.
Which planet in our solar system is the only one not named after a Greek or Roman god?On Venus, which is longer: a day or a year?About how far does the Moon drift away from Earth each year?Why does Mars look red?Saturn is mostly gas. Would it float in a big enough bathtub?About how long does sunlight take to reach Earth?