Hitting Earth with a Grain of Sand Going 99.9% the Speed of Light

In this video I show you what would happen if the earth were to be hit by a grain of sand going 99.9% the speed of light. I talk about the physics of it and then I try bigger objects hitting earth at near light speeds. Created with Universe Sandbox http://universesandbox.com/ Follow me on Twitter:… Continue reading Hitting Earth with a Grain of Sand Going 99.9% the Speed of Light