With all the wonderful observation imagery compiled by NASA’s Gateway to Astronaut Photography of Earth, the stars can get left behind. Alex Rivest compiled the imagery against a London PM music soundtrack. Star-trails processed using StarStaX.
Credit: NASA / JSC / Editor – Alex Rivest / Music – London PM
















































































































![A trajectory analysis that used a computational fluid dynamics approach to determine the likely position and velocity histories of the foam (Credits: NASA Ref [1] p61).](http://www.spacesafetymagazine.com/wp-content/uploads/2014/05/fluid-dynamics-trajectory-analysis-50x50.jpg)




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