2: Hoba Meteorite![]() Weighing in at, oh, sixty tons, the Hoba meteorite, which still resides where it touched down in Namibia, is the largest known meteorite on the planet. The flat slab of iron fell to earth sometime around 80,000 years ago, so we don't really know what kind of pyrotechnic show accompanied its arrival, but it took until 1920 for humans to come across it, when a farmer plowing his field came across its metallic top just below the surface. Since then, the Hoba site has become a national monument, drawing thousands of visitors each year. More Top 10s
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