A distant galaxy is moving away from the Milky Way at 1.1 × 107 m s-1. What is the approximate distance between the Milky Way and this distant galaxy?
(Take Hubble's constant to be H0=2.2×10−18 s−1H_0 = 2.2 \times 10^{-18} \text{ s}^{-1}H0=2.2×10−18 s−1)
5×1012 m5 \times 10^{12} \text{ m}5×1012 m
2×1013 m2 \times 10^{13} \text{ m}2×1013 m
5×1024 m5 \times 10^{24} \text{ m}5×1024 m
2×1025 m2 \times 10^{25} \text{ m}2×1025 m
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.