In these photographs released by NASA September 9, 2010, a fleeting bright dot on each of these images of Jupiter marks a small comet or asteroid burning up in the atmosphere. The image on the left was taken on June 3, 2010, by amateur astronomer Anthony Wesley, in Broken Hill, Australia, when he obtained the image with a 37-centimeter (14.5-inch) telescope. Wesley's image is a color composite. The fireball appears on the right side of Wesley's image. The color image on the right was taken by amateur astronomer Masayuki Tachikawa, of Kumamoto, Japan, on August 20, 2010. The fireball appears in the upper right of Tachikawa's image. (REUTERS/NASA) #