Don't blame SpaceX for that rocket on a collision course with the Moon

This past January, astronomer Bill Gray said that the upper stage of a SpaceX Falcon 9 rocket would collide with the Moon sometime in early March. As you might expect, the prediction set off a flurry of media coverage , much of it critical of Elon Musk and his private space firm. After all, the event would be a rare misstep for SpaceX. But it turns out Elon and company are not about to lose face. Instead, it's more likely that fate will befall China. That's because Gray now says he made a mistak...