1: Comets

Space is a fascinating subject, in which people of all age groups are interested. Space is also known as the universe, totality and also Cosmos. Space consists of many celestial bodies like Supernovas, Nebulae, Comets, asteroids, Meteors, or meteorites, Dwarf planets, Planets, Galaxies, Stars, Black holes and much more. This list never ends!

I will tell you more fascinating things about space.

                               COMETS

A comet is an icy and muddy ball. It develops a beautiful long tail as it comes near the sun. It has 2 types of tails. Ion tail and a Dust tail. Comets come from the end of our galaxy, which is the Oort cloud.

Parts of a comet are defined as follows:

Nucleus- It is the centre of the comet, covered by the coma. It is made up of ice, rock, etc

Coma- It is a group of gas hiding the Nucleus.

Hydrogen Envelope -It is an invisible, irregular cloud, surrounding the coma

Dust tail- It is a tail containing dust and gases 

Ion tail- It is a tail containing plasma streams.

Aashni