Shoemaker-Levy 9 impact on Jupiter in 1994 affirmed catastrophism. Shoemaker-Levy 9 impacted Jupiter in July 1994 The comet fragmented into a chain of pieces pulled in by Jupiter's gravity Some impacts released energy equivalent to six million megatons of TNT

In July 1994, Comet Shoemaker-Levy 9 broke into a chain of fragments pulled by Jupiter's gravity and slammed into the gas giant. Some impacts released energy equivalent to six million megatons of TNT, with fireballs rising thousands of kilometers into the atmosphere. The event revitalized catastrophism and energized planetary defense initiatives.

Key Facts

  • Shoemaker-Levy 9 impacted Jupiter in July 1994
  • The comet fragmented into a chain of pieces pulled in by Jupiter's gravity
  • Some impacts released energy equivalent to six million megatons of TNT
  • Fireballs from impacts rose thousands of kilometers into Jupiter's atmosphere
  • The event revitalized catastrophism and energized planetary defense initiatives including monitoring near-Earth objects (NEOs)
  • 99.9% of all species that ever existed have become extinct