Ask your own question, for FREE!
Mathematics 23 Online
OpenStudy (anonymous):

Two stars give off the same amount of light. However from earth their intensities differ. Let I1 and I2 be their intensities and let d1 and d2 be their respective distances from earth. What is the ratio of d2 to d1?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!