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Pieces of a meteorite land near Chicora, Pennsylvania. The meteorite is estimated to have weighed 450 metric tons when it hit the Earth's atmosphere and exploded.
Related Wikipedia articles
Meteorite
Solid debris from outer space that hits a planetary surface
A meteorite is a rock that originated in outer space and has fallen to the surface of a planet or moon. When the original object enters the atmosphere, various factors such as friction, pressure, and chemical interactions with the atmospheric gases cause it to heat up and…Source: Wikipedia (CC BY-SA)
Chicora, Pennsylvania
Borough in Pennsylvania, US
Chicora is a borough in Butler County, Pennsylvania, United States. The population was 1,043 at the 2010 census.Source: Wikipedia (CC BY-SA)
Tonne
Metric unit of mass equivalent to 1,000 kilograms or 1 megagram
The tonne is a unit of mass equal to 1,000 kilograms. It is a non-SI unit accepted for use with SI. It is also referred to as a metric ton in the United States to distinguish it from the non-metric units of the short ton and the long ton. It is equivalent to approximately…Source: Wikipedia (CC BY-SA)