A bright explosion is followed by an expanding cloud and a compact remnant. The remnant emits radio waves but very little visible light. Which interpretation and instrument are most appropriate?
A white dwarf formed after a red giant; use an optical telescope.
A white dwarf formed after a supernova; use a radio telescope.
A neutron star formed after a red giant; use an optical telescope.
A neutron star formed after a supernova; use a radio telescope.
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.