iron meteorite

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iron meteorite

n
(Astronomy) a meteorite that is composed mainly of iron and nickel
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Believed to have fallen some 80 000 years ago, this 60-ton iron-nickel meteorite measures 3 m x 3 m x 1 m.
Upon receiving the meteorite, Sirbescu evaluated it and discovered it was an iron-nickel meteorite, composed of 8 to 8.5 percent iron and 11.5 percent nickel.
It came to be known as "Egg Rock" and was later confirmed to be an iron-nickel meteorite 6 a class of space rocks commonly found on Earth.
Earlier research had ruled out the Anoka, an iron-nickel meteorite found in 1961 during the digging of a cesspool near Anoka, Minnesota.
Analysis with the ChemCam spectrometer confirms that it's an iron-nickel meteorite, whose outer surface melted and vaporized during the meteorite's plunge through Mars's tenuous atmosphere.
Opportunity found a smaller iron-nickel meteorite, called "Heat Shield Rock," in late 2004.
Scientists believe the 55,000 year-old Meteor Crater was created by a 50-meter wide iron-nickel meteorite traveling at 40,000 miles per hour.