Here's what happened:

* Discovery: The comet was discovered in 1993 and was found to be orbiting Jupiter.

* Breakup: Due to Jupiter's immense gravity, the comet broke apart into 21 fragments.

* Impact: Between July 16th and 22nd, 1994, these fragments crashed into Jupiter's atmosphere.

* Observation: The impacts were observed by astronomers around the world and even by the Hubble Space Telescope. They created massive fireballs and left dark scars on Jupiter's atmosphere.

This event was a significant scientific discovery because it provided valuable data about Jupiter's atmosphere and the effects of comet impacts.