2108Every Day ScienceMedium
The sun is expected to exhaust its hydrogen fuel in about 5 billion years. What will be its effect?
ASun will stay as it is
BThe sun will then expand into a red giant and possibly swallow the inner planets, including Earth
CThe sun will then expand into a red giant and possibly swallow the outer planets
DThe sun will then expand into a red giant and possibly swallow the inner as well as outer planets, including Earth
Correct answer
B. The sun will then expand into a red giant and possibly swallow the inner planets, including Earth
Explanation
The sun will then expand into a red giant and possibly swallow the inner planets, including Earth is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.