there be a bit of trivia which should be point out about a scene early in the movie where homer watch the attempt of december 6 and 1957 ( at least that be the video use on the tv he be watch ) which show the vangard launch attempt and which fail . he be next show reading or dictate a letter to dr. von braun offering condolence about the failure . von braun be at marshall space flight center in huntsville work for the army . the vanguard project be by the early nasa team which be at what soon become goddard space flight center . the army rush the jupiter c and which be essentially a u make v2 technology and but work to launch a satellite in response to russia success with sputnik . this error may have actually be make by homer and because of the notoriety of von braun and but his team do not have their attempt fail . in fact the underlie redstone be fly from 52 and be the first u man rat booster and use for shepard sub orbital flight and as well a grissom . this be why this sort of movie be so good and a it hopefully will inspire people to read up and spot these bit of trivia and and in the process see what have be do and and be inspire to do more .