The Life of a Star

1 mark · Easy

Which of these best describes the main sequence stage of a star's life?

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Correct option: The star's forces are balanced and it fuses hydrogen in its core.

Common mistakes: Selecting 'star is unstable' or 'fusion stopped'

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Marking points

A1 · 1 mark · Correct option selected.

Worked solution

The main sequence stage is when the star is stable and fuses hydrogen in its core.