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Cambridge IGCSE Physics

6.2.2Stars

Stars in Cambridge IGCSE Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic13 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 6.2.2.1State that galaxies contain many billions of stars, that the Sun is in the Milky Way, that other stars are much further away than the Sun, and that light-years measure these distances.
  2. 6.2.2.2Supplement: know that one light-year is 9.5 × 10¹⁵ m.
  3. 6.2.2.3Supplement: describe the life cycle of a star from an interstellar cloud and protostar through a stable star to a red giant or supergiant and a white dwarf, supernova, neutron star or black hole.

Lessons

  • Stars, galaxies and the life cycle of stars

    28 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Stars: sample question

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What is a light-year?

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