Space debris impact research by the European Space Agency (ESA): Cutaway of the impact resulting from a small sphere of aluminum traveling at 6.8 km/4.2 mi per second, or 15,211 mph, hitting a block of aluminum 18 cm thick. The sphere disintegrated, one was added for visual effect. [1110x1174] via /r/spaceporn http://bit.ly/2Vu2Sqj
via Tumblr http://bit.ly/2WKi82K
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