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On February 10, 2009, the deactivated Russian satellite Kosmos-2251 and the American commercial satellite Iridium 33 smashed into each other at almost 12 kilometers per second, each shattering into thousands of pieces that continue to hurtle around E...

Crash Course

On February 10, 2009, the deactivated Russian satellite Kosmos-2251 and the American commercial satellite Iridium 33 smashed into each other at almost 12 kilometers per second, each shattering into thousands of pieces that continue to hurtle around E...