See related link for a list of periodic and non periodic comets.
The Greek name for comets is "αστέρια του θεού" (astéria tou theoú), which translates to "stars of the gods."
asteroids
Haley's
Normally the person that discovers it gets to name it or put forward a name for it.
Celestial comets is a more formal name for comets. Comets are objects in space orbiting the Sun with long orbits. They are thought to be made of frozen water. As they near the Sun they produce a long glowing tail trailing behind.
The cloud of frozen comets that surrounds Pluto is called the Kuiper Belt.
There's no indication of anyone by that name playing with Bill Haley and His Comets; there have been no less than 3-4 groups carrying the name Bill Haley's Comets in the years after Haley's death, so someone named Goodson could have performed with one of those groups.
If you mean all our planets and comets, it's called the Sun. It is called "The Solar System".
The name for the sun, planets, comets, and other celestial bodies that revolve around it is called the solar system.
The singular form is comet, the plural form is comets, the possessive plural is comets'. Example: The comets' paths will not cross.
Comets are Comets and Asteroids are Asteroids