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Exam-style practice

Stars and the Universe practice questions

Practise mixed syllabus-aligned questions for Stars and the Universe. Aligned to Cambridge IGCSE Combined Science.

Practice questions

Question 1 of 28

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Paper 3 structured question: Stars and the Universe

Paper 3Theory (Core)2 marks

Description

Astronomical Distances

Astronomers often use light-years to measure distances in space. A light-year is defined as the distance light travels in one year in a vacuum, which is about 9.46 trillion kilometers.

  1. a

    Define What is a light-year?

    Aim for approximately 2 distinct marking points.

    [2]