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Biggest Piece Of Mars On Earth At Sotheby's

Space.com editor-in-chief Tariq Malik gives you a peek at the biggest piece of Mars discovered on Earth. Currently on display ...
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The biggest piece of Mars on Earth is going up for auction in New York

NEW YORK — For sale: A 54-pound (25-kilogram) rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of Mars ever found on Earth. Sotheby's in New York will ...