Physics 0625 · IGCSE · Stars and the Universe

Stars and the Universe — practice question

A faraway galaxy is receding from the Milky Way at $4\,400\,000\ \text{m s}^{-1}$. How far away, approximately, is this galaxy from the Milky Way?

  • A$2 \times 10^{12}\ \text{m}$
  • B$5 \times 10^{11}\ \text{m}$
  • C$2 \times 10^{24}\ \text{m}$
  • D$5 \times 10^{23}\ \text{m}$

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