Life Cycle of Stars

Life Cycle of Stars

Aren't we mesmerised with the structure of our ever expanding universe? The various components such as galaxies, stars, constellations, planets, satellites and many other celestial bodies form our universe and are observed on day to day basis with the help of telescopes, sent by scientists in space and around the Earth, to know more about them and space.
We live in milky way galaxy which is composed of many stars grouped in spiral form. So, what are these stars actually? Let us dive into this amazing journey of knowing all about stars.

Stars
These are heavenly bodies which have their own heat and light. Infact, these are gigantic spheres of hot gases. A very common star which we all are familiar is Sun. Hydrogen contributes to 72% of the mass of the Sun while helium about 26%. The rest 2% is associated with elements heavier than helium.
But do you know scientists call it an ordinary star even though it appears so large t…