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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 Murchison meteorite is a meteorite that fell in Australia in 1969 near Murchison, Victoria. It belongs to the carbonaceous chondrite class, a group of meteorites rich in organic compounds. Due to its mass (over 100 kg or 220 lb) and the fact that it was an observed fall, the Murchison meteorite is one of the most studied of all meteorites. [2]
A "meteorite fall", also called an "observed fall", is a meteorite collected after its arrival was observed by people or automated devices. Any other meteorite is called a "meteorite find". [43] [44] There are more than 1,100 documented falls listed in widely used databases, [45] [46] [47] most of which have specimens in modern collections.
The Allende meteorite is the largest carbonaceous chondrite ever found on Earth. The fireball was witnessed at 01:05 on February 8, 1969, falling over the Mexican state of Chihuahua . [ 1 ] After it broke up in the atmosphere , an extensive search for pieces was conducted and over 2 tonnes (2.2 tons) were recovered.
The Wold Cottage meteorite was the largest meteorite observed to fall in Britain, and is the second-largest recorded in Europe (after the Ensisheim meteorite). [5] The meteorite and evidence given about its fall contributed to the debate concerning whether extraterrestrial matter existed or not, and towards the early scientific study of meteorites.
He added that, because of how quickly the 0.5kg (1lb) meteorite was retrieved – within about 12 hours – it was not contaminated by water and materials on Earth.
The space rock that slammed into Earth 66 million years ago at the end of the Cretaceous Period caused a global calamity that doomed the dinosaurs and many other life forms.
A slice of the meteorite, the National Museum of Natural History, the Smithsonian, DC. The day after the fall, local farmer Julius McKinney came upon the second-largest fragment from the same meteorite. [10] An Indianapolis-based lawyer bought it for the Smithsonian Institution. [10] The McKinney family was able to use the money to buy a car ...