Ask your own question, for FREE!
Physics 8 Online
OpenStudy (chrisisdope1):

How is light used to study space?

OpenStudy (chrisisdope1):

In Your Own Words

OpenStudy (anonymous):

Light is used as a measure of distance in space, "Light Years Away". Since we know how long it takes light to reach a distance, we use light to determine distance of other object far off in space.

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!