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 Emphasis of Terra in the lead 

The first paragraph of the lead was changed to the following:

""Earth"" (Latin: Terra, ) is the third planet from the Sun and is the largest of the terrestrial planets in the Solar System, in both diameter and mass. Home to a myriad of species including the dominant animal, humans; it is also referred to as ""the Earth"", ""Planet Earth"", ""Gaia"", ""the World"" and its official scientific name is the Latin: Terra, after the Roman goddess ""Terra""; it is the only planet in the Solar system which is known commonly by an english translation of its actual Latin name.

However the assertions about an official IAU name are unsourced, so it needs a valid citation. Otherwise I'm not sure I see a valid need to place such an emphasis on the latin name of the planet. —  (talk) "