anything that gets in front of their orbit, if you go in front of it it will hit you too, stupid!
It is possible for comets and asteroids to hit Earth, but they are extremely rare events.
Comets
Usually after the people they were spotted by.
Usually in the spring
Flying in the sky.
its the comets are smaller than planets, moons, and asteroids. In order of size, usually comets < asteroids < moons < planets
What do you mean with "hit space"? Comets are always in space.
Yes, any large object in the solar system can be hit by asteroids or comets. Pluto is located in the Kuiper Belt, a vast field of comets, so collisions with comets are probably not uncommon for the dwarf planet.
Yes comets and asteroids
An asteroid would hit earth first
Usually comets are icy as that is why you see the icy trail, but asteroids can be icy too.
yes yes Yes, comets and asteroids usually follow elliptical orbit.