See story summary here: http://uk.news.yahoo.com/afp/20080417/tod-space-astronomy-germany-us-offbeat-f62056d.html Nasa Vs. little German boy: who was right, anyway? 1:450, or 1:45,000? One zero, or three? Viva la scientific notation! Where you put the commas and the zeros. makes a BIG difference! It turns out that the German Whizkid boy was wrong about the probability of the Apophis asteroid colliding with Earth, and NOT Nasa. Dwayne Brown, Nasa spokesman, says that the Near-Earth Obje