Suppose a star which is $50$ light years away from Earth explodes today. Will you be able to see the explosion in your lifetime? Give reasons for your lifetime? Give reasons for your answer.

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Solution

Since the star is 50 light-years away so the time it takes for light to travel from that star to earth is 50 years so we will see the explosion after 50 years. It depends on the age of the individual.

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