The Pacific Ocean is the world's largest ocean, and one of the fabled "seven seas." [[Ferdinand Magellan]] crossed it on his voyages around the world. Scientists have calculated that it has the same volume as the moon, and may be the [[crater]] left when the moon and Earth were separated. | The Pacific Ocean is the world's largest ocean, and one of the fabled "seven seas." [[Ferdinand Magellan]] crossed it on his voyages around the world. Scientists have calculated that it has the same volume as the moon, and may be the [[crater]] left when the moon and Earth were separated. |