What's the largest ocean that ever existed on Earth? - Livescience.com

The Pacific Ocean represents the remnants of the biggest body of water in the planet's history.

Earth's current largest ocean, the Pacific, blankets more than 30% of the planet's surface, stretching 12,000 miles (19,000 kilometers) at its widest point, between Colombia and the Malay Peninsula, … [+4045 chars]

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