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Titanic Discoverer Charts New Sea Adventures

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Oceanographer Robert Ballard spotlights

Call him Captain Nemo he won't mind a bit.

Robert Ballard, the famous U.S. oceanographer, takes after that fictional character portrayed in the Jules Verne novel, "Twenty Thousand Leagues Under the Sea."

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Leonard David
Space Insider Columnist

Leonard David is an award-winning space journalist who has been reporting on space activities for more than 50 years.