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Edexcel IGCSE Physics 8.7 Star colour classification

Practise classifying stars by colour using table data and linking red, yellow, white and blue-white stars to surface temperature.

Syllabus
First assessment 2019
Course
Physics 4PH1

Exam points

  • use colour in a data table to rank stars by surface temperature
  • explain that star colour classification depends on temperature

8.7 Star colour classification question 1

[Maximum number: 3]

This question is about astrophysics.

Table 2 gives information about four different stars in the same galaxy as the Sun.

Table 2

Table 2

Explain how the stars in table 2 can be classified according to their colour.

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