Namibia space ball mystery solved

When the 13lbs, 14 inch ball smashed to earth in mid- November it sparked a national security issue with the Namibian authorities asking NASA for help in identifying it.

Adrian Chen of Gawker reported that it was most likely a fuel tank for storing hydrazine on unmanned rockets. He said this after a commentator wrote on his blog: 'For anyone wondering what it actually is, it's likely a 39-litre hydrazine bladder tank.

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