What is the approximate distance from Earth to our nearest large neighboring galaxy, the Andromeda Galaxy?
2.52.52.5 light-years
250025002500 light-years
2.52.52.5 million light-years
2.52.52.5 billion light-years
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.