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No. Most comets are about the same age as the solar system as they formed with it.
Nobody let them in. They formed with the solar system.
Comets Time Capsules of the Solar System - 1981 was released on: USA: 1981
It has been suggested that comets originate in the Oort cloud and then travel in long elliptical orbits around the Sun.
The Oort Cloud is the answer.
Occasionally they enter the realm of the inner solar system and become visible .five kilometers is a typical size -- but some are much larger.
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.
Yes. The solar system is everything that orbits the sun.
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.
All visible comets go through the solar system. Those that return periodically have elliptical orbits with the sun as one of the foci. Those that do not usually have hyperbolic orbits with the sun as a focus.
There are no visible comets at this time.
The sun.
Comets Time Capsules of the Solar System - 1981 was released on: USA: 1981
the members of the solar system are sun, comets, planets, asteroids,
It has been suggested that comets originate in the Oort cloud and then travel in long elliptical orbits around the Sun.