The core of a massive star no longer releases enough energy to maintain its outward pressure. Which pair describes what happens next and one possible final remnant?
The core expands; a neutron star may remain.
The core contracts; a white dwarf may remain.
The core contracts; a neutron star may remain.
The core expands; a white dwarf may remain.
75 exam-style questions on Edexcel GCSE Physics 7.3 Stars, covering 7.3.1 Evolution of stars similar to the Sun, 7.3.2 Evolution of massive stars, and 7.3.3 Observing the Universe. Each one has a worked solution and a mark scheme showing where the marks go.