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The largest observed iron meteorite until that time creates an impact crater in Sikhote-Alin, in the Soviet Union.
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Sikhote-Alin meteorite
1947 meteorite impact in southeastern Russia
In southeastern Russia, an iron meteorite fell on the Sikhote-Alin mountains in 1947. Large iron meteorite falls have been witnessed, and fragments have been recovered, but never before in recorded history has a fall of this magnitude occurred. An estimated 23 tonnes of…Source: Wikipedia (CC BY-SA)
Impact crater
Circular depression in a solid astronomical body formed by the impact of a smaller object
An impact crater is a depression in the surface of a solid astronomical body formed by the hypervelocity impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal collapse, impact craters typically have raised rims and floors that are…Source: Wikipedia (CC BY-SA)
Sikhote-Alin
Mountain range in southeastern Russia
The Sikhote-Alin is a mountain range in Primorsky and Khabarovsk Krais, Russia, extending about 900 kilometres (560 mi) to the northeast of the Russian Pacific seaport of Vladivostok. The highest summits are Tordoki Yani at 2,077 metres (6,814 ft) above sea level, Ko Mountain in…Source: Wikipedia (CC BY-SA)
Soviet Union
Country in Eurasia (1922–1991)
The Union of Soviet Socialist Republics (USSR), commonly known as the Soviet Union, was a transcontinental country that spanned much of Eurasia from 1922 until it dissolved in 1991. During its existence, it was the largest country by area, extending across eleven time zones and…Source: Wikipedia (CC BY-SA)