The Sun is our nearest star. It is a relatively small star when compared to other stars in the Universe. Our Solar System contains the Sun and everything that orbits it.

Theories about the development of the Universe, such as the Big Bang theory, are based on astronomical observations including red-shift.

Gravity and nuclear fusion reactions drive the formation and development of stars. Stars with different masses grow and change throughout the different stages of their lives.

Understanding how to approach exam questions helps to boost exam performance. Questions will include multiple choice, structured, using mathematical skills and extended writing.