Comet Shoemaker–Levy 9 rarity: one post-impact study estimated that comets in diameter impact the planet once in approximately 500 years and those in diameter do so just once in every 6,000 years. There is very strong evidence that comets have previously been fragmented and collided with Jupiter and its satellites. During the Voyager missions to the planet, planetary scientists identified 13 crater chains on Callisto and three on Ganymede, the origin of which was initially a mystery. Crater chains seen on the Moon often radiate from large craters, and are thought to be caused by secondary impacts of the original ejecta, but the
10 Years of Abuse (and Still Broke) 10 Years of Abuse (and Still Broke) 10 Years of Abuse (and Still Broke) is the title of Sludge metal band Eyehategod's only live album, released on May 29, 2001. Although not all the tracks are live, it is still considered a live album, as the majority of tracks are live, and there are no studio tracks (the rest consist of demos and radio performances). It is also their last album on Century Media. Tracks 1–4 are taken from the original 1990 demo "Lack of Almost Everything". Tracks 5–8 were recorded live on KXLU, August 2, 1994. Tracks 9–16 were