Not quite as hot as boiling water About as hot as fire About 100°F Much hotter than almost anything on Earth
I gave my students this multiple choice question: How hot is it on the surface of the Sun?

Only one answer is correct among these 4 choices:
- Not quite as hot as boiling water
- About as hot as fire
- About 100°F
- Much hotter than almost anything on Earth

Could you tell me which one is correct?

Much hotter than almost anything on Earth