NASA currently tracks more than 21,000 man-made objects in orbit - TopicsExpress



          

NASA currently tracks more than 21,000 man-made objects in orbit larger than 10 centimeters, but there are also hundreds of thousands of smaller pieces circling the Earth that are harder to detect. Many of them are moving at extremely high speeds, some as fast as 22,000 mph... .... A 10-centimeter sphere of aluminum would be like 7 kilograms of TNT, one NASA scientist explained. It would blow everything to smithereens.
Posted on: Fri, 25 Oct 2013 14:19:42 +0000

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