Physics 0625 · IGCSE · Stars and the Universe

Stars and the Universe — practice question

What does the term light-year mean?

  • Athe distance light travels in space in one year
  • Bthe number of years it takes light to travel from the Sun to the Earth
  • Cthe speed that light travels in space
  • Dthe time it takes light to travel from the Sun to the nearest star

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