It has been suggested that comets originate in the Oort cloud and then travel in long elliptical orbits around the Sun.
In the solar system.
No. Most comets are about the same age as the solar system as they formed with it.
There are asteroids, meteoroids and comets.
Nobody let them in. They formed with the solar system.
Comets Time Capsules of the Solar System - 1981 was released on: USA: 1981
The Oort Cloud is the answer.
comets can be found in the oort cloud to the south of Pluto
In the outer realms of the solar system.
No. Most comets are about the same age as the solar system as they formed with it.
All the comets that have been seen in history were in the solar system and most still are.
the oort cloud and the kuiper belt
There are asteroids, meteoroids and comets.
I scientifically believe that comets are closer to the outer part of the solar system.
Nobody let them in. They formed with the solar system.
The sun.
There are no visible comets at this time.
Comets can be located anywhere, but the further you get away from the sun, the more common they are (they are made up of ice and cold rock).
Comets Time Capsules of the Solar System - 1981 was released on: USA: 1981