"Last time a stray planetoid the size of Mars smashed into Earth, it scattered our planet's young crust into space, where gravity glued those particles into what we now call the Moon. This time, it would be all hellfire and brimstone with no survivors left. And here's a timeline of how things break down..." WHAT IF YouTube IF YOU ENJOY THIS SITE PLEASE TELL OTHERS ABOUT US...SHARING IS CARING Start the discussion, leave a comment below