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[ad_1] Image copyright Aerolite Meteorites/RR Auction Image caption The meteorite is made up of six fragments, with the largest piece weighing about 3kg A meteorite that is one of the biggest pieces of the Moon ever put up for sale is being auctioned online by a US auction company based in Boston. The Moon rock, weighing about 5.5kg (12lb), was found last year in a remote area of Mauritania. It is thought to have plunged to Earth thousands of years ago. Its large size and composition are very unusual. It could fetch around $500,000 (£380,000) when it goes on sale at RR Auction. It is "one of the most important meteorites available for acquisition anywhere in the world today", the firm said. It is made up of six fragments, with the largest piece weighing about 3kg, and displays "partial fusion cru...

[ad_1] Image copyright Central Michgan University A US professor has established a rock used as a doorstop is actually a meteorite worth thousands of dollars. Mona Sirbescu from Central Michigan University was asked by a local man to inspect the object he had kept for 30 years after finding it on a farm. The 22lb (10kg) meteorite was the biggest the geologist had been asked to examine in her career. The rock, which came down on farmland in Edmore, Michigan, in the 1930s, could be worth $100,000 (£77,000). Most meteorites typically consist of approximately 90-95% iron. What makes the meteorite found in Michigan unique is that it is 88% iron and 12% nickel. Top tips to view a meteor shower Row over Moon film's flag moment "A piece of the early solar system literally fell into our hands," Dr Sirbescu said in a video made by the university to promote its discovery. Dr Sirb...