I assume you are asking about Shoemaker-Levy 9. This comet smashed into Jupiter and disturbed the appearance of Jupiter for a time. Perhaps what makes this unique is that the astronomers for whom this comet was named predicted its demise and observed the detritus kicked up. That was a first. As for the event itself - the plunging of a comet into the gas giant Jupiter - that could hardly be called unique. As the largest planet in our solar system, Jupiter absorbs a lot of blows and protects the inner planets. Without Jupiter, Earth would be much more pockmarked by meteors, comets and other orbiting objects whose paths tangle with the orbit of the Earth.
For an excellent - and much fuller explanation - look up "Comet Shoemaker-Levy 9" in wiki answers.
Shoemaker-Levy 9 is unique because it was a comet that broke apart and collided with Jupiter in 1994, creating a series of impacts that were observed from Earth. This event was significant because it was the first time a comet collision with a planet had been observed by astronomers. The impacts left scars on Jupiter's atmosphere that persisted for several weeks.
She is not dead
The famous Shoemaker-Levy 9 won't be passing this way again. Jupiter swallowed it back in 1994, striking the Jovian giant's back side. When the planet swung around so we could see, it's surface was still roiling from the event. Quite spectacular.
sun grazer is the name of a comet that crashes into the sun
The famous meteor that hit Jupiter was actually the fragmented comet Shoemaker-Levy 9 in July 1994. It broke into multiple pieces before colliding with Jupiter, creating a series of impact marks on the planet's surface.
Comet Shoemaker-Levy Collided with Jupiter in July 1994.
Shoemaker-Levy 9 is unique because it was a comet that broke apart and collided with Jupiter in 1994, creating a series of impacts that were observed from Earth. This event was significant because it was the first time a comet collision with a planet had been observed by astronomers. The impacts left scars on Jupiter's atmosphere that persisted for several weeks.
In 1994, comet Shoemaker-Levy collided with Jupiter. Much of the comet broke up in the atmosphere. The comet left visible scars on Jupiter for many months.
The largest fragments from the Shoemaker-Levy 9 comet were about 2 kilometers across.
Comet Shoemaker-Levy 9
Shoemaker-Levy 9 was named after the team of scientists who discovered it: Eugene Shoemaker, Carolyn Shoemaker, and David Levy. The "9" refers to the fact that it was the ninth periodic comet discovered by the team.
The planet Jupiter was hit by a number of fragments of the Comet Shoemaker-Levy9.
Jupiter. Jupiter was hit in 1994 by a comet called Shoemaker Levy9.
COMET HALE-BOPP, COMET SWIFT-TUTTLE, COMET HYAKUTAKE, COMET HALLEY, and COMET SHOEMAKER-LEVY 9
Comet Shoemaker Levy-9 it collided with Jupiter in 1994.
Shoemaker-Levy 9 had a short period, as it was a comet that was first discovered in 1993 and eventually collided with Jupiter in 1994. The comet had been fragmented by Jupiter's gravity during a previous close approach, leading to its eventual collision with the planet.
24 March 1993.