Yes, anything in space can hit a planet if its strong enough to get past the atmosphere.
It is a comet.
No. It is a comet. It is too small to be a planet.
An impact crater. The size depends on the mass and speed of the object and where it strikes
Depends on the planet or moon. Re-ask your question with the missing information.
No. It is a comet. It is too small to be a planet.
Comet - Impact Comics - was created in 1991.
Neither. It is considered a dwarf planet. It is much larger than a comet.
The planet Jupiter was hit by a number of fragments of the Comet Shoemaker-Levy9.
An asteroid or comet colliding with a planet could have a significant impact, causing widespread damage and potentially leading to mass extinctions. Other objects, such as space debris or artificial satellites, could also pose a threat if they were to collide with a planet.
The Milky Way is neither a planet nor a comet. It is a spiral galaxy that contains our solar system and billions of stars, along with gas, dust, and dark matter. It is not a single object within our solar system like a planet or a comet.
a comet
Venus is a planet, not a comet, so it does not have a tail.