She was the biggest star in adult entertainment before tragically ending her own life at 23. Shannon Wilsey, best known by her stage name Savannah, took the industry by storm in the early '90s.

The questions in this quiz are suitable for GCSE physics students studying the formation and life cycle of stars, main sequence stars and supernovae. If you struggled with the quiz, don't panic ...

During the majority of a star’s lifetime, hydrogen nuclei fuse together to form helium nuclei. As the star runs out of hydrogen, other fusion reactions take place forming the nuclei of other ...