Comet.
Comet
A celestial body is any physical body beyond the earth's atmosphere.
No sun doesn't revolve to any celestial body, but the celestial body revolve around the sun.
The Space Station is no a celestial body. Celestial bodies are natural -- not man made.
The moonMoon is the closet celestial body.
satellite
No. Astral projection has to do with the soul traveling outside the body. It has absolutely nothing to do with horses or reindeer.
By taking "clause" as a spelling error I will say the following: Yes, there was a Santa Nicolaus who donated money to the poor supposedly in medieval times in what is now Turkey. However, this Nicolaus did not wear red and white and did not ride a sleigh. He is more likely to have been riding a mule.
A Comet
No, a supernova is an explosion of a star. What left of a supernova are celestial bodies.
A large celestial body that is composed of gas and emits light is called a star.
A Comet
albedo