Describe the structure of a neutral atom of carbon-12, 612C^{12}_{6}\text{C}612C.
Stars are powered by nuclear fusion reactions in their cores which release energy.
State what happens during the nuclear fusion reactions that occur in main-sequence stars.
State two regions of the electromagnetic spectrum by which a stable star like our Sun radiates most of its energy.
Describe what happens to a massive star (much more massive than the Sun) when most of the hydrogen fuel in its core has been depleted.
104 exam-style questions on CIE IGCSE Physics 6.2 Stars and the Universe, covering 6.2.1 The Sun as a star, 6.2.2a Galaxies and astronomical distances, 6.2.2b The life cycle of a star, 6.2.3a Galaxies and the scale of the Universe, 6.2.3b Redshift, 6.2.3c The Big Bang Theory and cosmic microwave background radiation, and 6.2.3d The Hubble constant and the age of the Universe. Each one has a worked solution and a mark scheme showing where the marks go.