How is a star born?

Yash Patidar Class VII

The cradle of star is a cloud of hydrogen and dust. There are numerous such clouds in the universe. By the action of external forces -such as the explosion of a star - this cloud gets compressed and keeps pulling itself together due to the increasing forces ofattraction among the particles. After a few hundreds or thousands of years it begins to shine. A proto-star, a star in the early stages,is formed. This keeps pulling itself together while rotating and becomes hotter and hottertill its interior reaches a temperature of around 10 million degrees Celsius. In the core of the star, the fusion of hydrogen into helium releases an enormous amount ofenergy. Now the star becomes a main sequence star. It shines approximately for 10 billion years, till it 'dies'.