Also the wind high in Earth's atmosphere blew the meteor's glowing evaporative molecule train away from the galaxy, in angular projection. Still, the astrophotographer was quite lucky to capture both a meteor and a galaxy in a single exposure -- which was subsequently added to two other images of M33 to bring up the spiral galaxy's colors.
At the end, the meteor was gone in a second, but the galaxy will last billions of years. Your Sky Surprise: What picture did APOD feature on your birthday? (post 1995)