What is a comet star

The comet is an object formed as a result of frozen gases and water suddenly combined in the galaxy. Tailed stars are called `dirty snowball` or` `` `` `` `` `` `` `` `` `` `` `` `` `` `` `` `` According to the Chinese records, the first known comet is the comet `Halley '. This star BC. It was recognized in 240. There are five parts of comets;

• Nüve
• coma
• Hydrogen Cloud,
• Dust tail,
• ion tail

comet stars are very high, but they are not seen, they can only be seen in the sun somehow.