How Mass and Gravity Work in Space Classroom Demonstration ISS Video

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http://youtube.com/watch?v=Vl6Mrhgum2c

More space news and info at: http://www.coconutsciencelab.com - ESA astronaut Samantha Cristoforetti on the International Space Station demonstrates the concept of a barycenter, or center of mass, free fall, and how objects in orbit around each other move. • Please rate and comment, thanks!

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