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A 54-pound (25-kilogramme) rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece ...
Sotheby's in New York is auctioning a 54-pound meteorite, the largest Martian rock ever found on Earth, with an estimated ...
Sotheby's is putting some rare items up for auction, including what it calls the largest piece of Mars ever found on Earth.
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