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A meteorite fall, also called an observed fall, is a meteorite collected after its fall from outer space was observed by people or automated devices. Any other meteorite is called a " find ". [ 1 ] [ 2 ] There are more than 1,300 documented falls listed in widely used databases, [ 3 ] [ 4 ] [ 5 ] most of which have specimens in modern collections.
The term Gibeon encompasses the total extent of meteoritic material fallen from the sky during this fall. This material is classified as iron meteorite belonging to the chemical group IVA. [1] Gibeon meteorites are composed of an iron-nickel alloy containing significant amounts of cobalt and phosphorus.
This is a list of largest meteorites on Earth. Size can be assessed by the largest fragment of a given meteorite or the total amount of material coming from the same meteorite fall: often a single meteoroid during atmospheric entry tends to fragment into more pieces. The table lists the largest meteorites found on the Earth's surface.
Meteorite fall statistics are frequently used by planetary scientists to approximate the true flux of meteorites on Earth. Meteorite falls are those meteorites that are collected soon after being witnessed to fall, whereas meteorite finds are discovered at a later time. Although there are 30 times as much finds than falls, their raw ...
Despite a tradition of naming meteorites after the nearest post office, [9] it was officially named the Auckland Meteorite, [9] [16] [1] because an Australian meteorite had already been named Ellerslie. The name Tecoma—from the street in front of the house on which the meteorite fell—was considered, but an American meteorite has a ...
The Cape York meteorite, also known as the Innaanganeq meteorite, is one of the largest known iron meteorites, classified as a medium octahedrite in chemical group IIIAB. [5] In addition to many small fragments, at least eight large fragments with a total mass of 58 tonnes have been recovered, the largest weighing 31 tonnes (31 long tons; 34 ...
The Winchcombe meteorite is a rare find, with a similar hydrogen isotope ratio to the water on Earth.. Recovering a meteorite within 12 hours of arrival means it is as pristine a specimen as we ...
Example of meteorite strewnfield: distribution ellipse of Pultusk meteorite A strewn field is the area where meteorites from a single fall are dispersed. [ 1 ] It is also often used for the area containing tektites produced by large meteorite impact.