Less than 1 second About 1 hour About 1 month About 4 years
I gave my students this multiple choice question: How long does it take light from the nearest star other than the Sun to reach Earth?

Only one answer is correct among these 4 choices:
- Less than 1 second
- About 1 hour
- About 1 month
- About 4 years

Could you tell me which one is correct?

About 4 years