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Largest Piece of Mars on Earth Could Go for Millions at Auction

  • Sotheby's will auction NWA 16788, the largest known Martian meteorite on Earth, on July 16 at their New York Natural History sale.
  • The meteorite was discovered in November 2023 by a hunter in Niger’s Agadez region after being ejected from Mars by an ancient asteroid impact.
  • NWA 16788 weighs 54 pounds, accounts for 6.5% of all Martian material on Earth, and features a distinctive rust-red color from its space journey.
  • Sotheby's Vice Chairman Cassandra Hatton described the meteorite as an extraordinary discovery unlikely to be seen again soon, with its auction value projected to be between $2 million and $4 million.
  • If sold within the estimate, NWA 16788 could become the most valuable space rock auctioned, highlighting both scientific rarity and significant collector interest.
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Center

Martian meteorites are very rare, but NWA 16788 is one of the most incredible that have fallen on Earth, so the auction is going to be a record.

·Madrid, Spain
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Largest piece of Mars on Earth could go for millions at auction

Meteorite NWA 16788 is the largest known piece of Mars on Earth and weighs 54 pounds.

·Cherokee County, United States
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It flew millions of kilometers through space and landed in the Sahara. Now the largest known piece of Mars is auctioned and is expected to achieve a record price.

Right

This auction at Sotheby's in New York could set a new record. Under the hammer comes a piece from the planet Mars shortly. It is the largest known rock of the red planet on Earth, the auction house announced on Wednesday. The meteorite with the name "NWA 16788" weighs almost 25 kilograms according to the data. The rock with the typical red coloration and the glassy surface in the Niger in 2023 was discovered. Thus, Mars piece to the earth probab…

·Vienna, Austria
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DoonWire broke the news in on Wednesday, July 2, 2025.
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