The largest measures about 115 meters across.

These rocks are estimated to have struck the surface at 14,400 kilometers an hour.

Photo credit:Valmice Vieira/Panoramio

Before entering the atmosphere the asteroid probably weighed 600 tons.

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It is the second heaviest single-piece meteorite recovered on Earth, after the Hoba meteorite.

There are thousands of tiny pieces of meteorites all over the region.

Its illegal to remove them, but thefts continue to occur all the same.

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Some even tried to steal El Chaco in 1990, but the plan was foiled.

They called the placePiguem Nonraltawhich the Spanish translated as Campo del Cielo (“Field of Heaven”).

The Spanish thought they had found an iron mine.

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A series of expedition followed.

Today the site is better protected than it was a few decades ago.

Photo credit:Valmice Vieira/Panoramio

Photo credit:Mario Prada/Panoramio

Part of Campo Del Cielo meteorite.

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Photo credit:quattroman76/Flickr

Sources:Wikipedia/Scientific American

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