you know all these nasa files, are clearly bullshit, no chance of impact ever, what a load of crap, there is always a big rock out there, and there is always a possibility, as they are only tracking, a tiny portion of the sky total bs, and as for the image, really??, radar images, that are grainy at best just wtf, total bullshit they will have had a hd real time real colour image so more bullshit from nasa again,