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Date: 2014-10-05 05:39:45Spaceflight Rocketry Transport Model rocketry Gunpowder Rocket Rocket-powered aircraft Model rocket Water rocket Pendulum rocket fallacy | Rocket ActivityPUFF! ObjectiveAdd to Reading ListSource URL: columbiaspacescience.orgDownload Document from Source WebsiteFile Size: 1,11 MBShare Document on Facebook |