Largest Martian Meteorite on Earth Sells for $5.3 Million at Auction
A 54-pound Martian meteorite discovered in Niger has been sold to an anonymous bidder for $5.3 million at a Sotheby’s auction, raising debate over private ownership versus public scientific access.
A rare Martian meteorite weighing 54 pounds (24.5 kilograms) was sold for $5.3 million, including taxes and fees, to an anonymous buyer at a Sotheby’s auction in New York on Wednesday. The specimen, known as NWA 16788, is the largest known piece of Mars on Earth and was discovered in November 2023 in the Agadez region of Niger.
According to Sotheby’s, NWA 16788 is approximately 70% larger than the next biggest Martian meteorite ever found. Only about 400 Martian meteorites have been identified on Earth, making this find particularly significant. Cassandra Hatton, vice chairman of science and natural history at Sotheby’s, described the meteorite as a discovery of "extraordinary significance" and noted its "immense size and unmistakable red color" as distinguishing features.
Scientific analysis suggests the meteorite was ejected from Mars by an asteroid impact, which partially turned it into glass. Its surface also bears a glassy crust formed during its passage through Earth’s atmosphere.
The sale has prompted discussion among scientists about the fate of such rare specimens. Steve Brusatte, a professor at the University of Edinburgh, expressed concern that the meteorite could disappear into a private collection, saying, > "It belongs in a museum, where it can be studied, and where it can be enjoyed by children and families and the public at large."
Julia Cartwright, a planetary scientist at the University of Leicester, acknowledged the importance of private collectors in advancing meteorite science, stating there is a "symbiotic relationship" between researchers and collectors. She noted that a reference sample from NWA 16788 has been preserved at the Purple Mountain Observatory in China, ensuring continued scientific access. Cartwright added that the new owner may still contribute to research, and scientific interest in the meteorite is expected to remain strong.
A previous Martian meteorite sold at auction in 2021 for $200,000, significantly above its estimated value.
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