About 500 meteoroids reach eath every year. Many fall in the sea and in unpopulated areas and are never seen. The hoba meteorite, the largest in the world , found in Namibia in 1920. It measures 2.73*2.43 m and is 82 per cent iron and 16 percent nickel. It weights more than 60 tonne. Second largest is the Tent , found in greenland in 1894 and now known by its original Eskimo name, Ahnighito. This meteoroid weights about 57.3 tonnes and is on display in new York museum of natural history.
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