The Martian rock, known as NWA 16788, is 70% larger than the next biggest piece of Mars that has been recovered, according to the auction house.

A meteorite that is the largest known piece of Mars on Earth has sold for $5.3 million, with taxes and fees, to an anonymous bidder at a Sotheby’s New York auction Wednesday.

The red, brown and gray meteorite is believed to have been blown off the surface of Mars by an asteroid strike.

NWA 16788 is the largest martian meteorite ever found, weighing in at 54 pounds. Soon, it’ll be up for auction.

The natural history-themed sale on Wednesday features a 54-pound hunk of Mars estimated at $2 million to $4 million.

Out of the 122 lots, the main event is NWA 16788, a Martian meteorite that is the largest piece of Mars ever found on Earth.

One lucky bidder will soon fork over millions of dollars to take home NWA 16788, a 54-pound (24-kilogram) Martian meteorite.

"NWA 16788 is a discovery of extraordinary significance — the largest Martian meteorite ever found on Earth, and the most valuable of its kind ever offered at auction,” Cassandra Hatton, Sotheby's ...

Known as NWA 16788, the meteorite weighs 54 pounds (24.5 kilograms), massive compared with most Martian meteorites, which tend to be small fragments, auction house Sotheby’s said in a statement ...