As the sun sets, one twinkling light slowly appears after another on the night sky. On a clear, cloud free night, one can see thousands of twinkling lights embellishing the heaven above. Since ages they have captured the imagination. They have had an impact on the root of mankind: People have harvested their crops according to them, and mankind has developed religions to
explain our place in the universe. We have even fought wars for the heaven above!
Since the modern age, and its' technological advancements, astronomers have slowly learnt more from the light of distant stars. Each star is a riddle which can be, atleast partly solved from the clues it sends us embedded in the light we receive from it. We now know things people at the dawn of civilization could never imagine. However, the mysteries, the questions that the night sky springs are more than ever...
Twinkle, twinkle, little star, how I wonder what you are.. Most of us have heard this phrase/song before. In this chapter we are going to take a close look at what stars are, how and where they are born, what they look like, how they evolve and what sets them apart from each other.
Stellar Interiors and Fusion Processes