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The sun is expected to exhaust its hydrogen fuel in about 5 billion years. What will be its effect?

Everyday SciencemediumBy: Muhammad Abdullah
AThe sun will then expand into a red giant and possibly swallow the outer planets
BThe sun will then expand into a red giant and possibly swallow the inner as well as outer planets, including Earth
The sun will then expand into a red giant and possibly swallow the inner planets, including Earth
DSun will stay as it is

Correct Answer: C. The sun will then expand into a red giant and possibly swallow the inner planets, including Earth

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